treewide: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings
(e.g. "unused variable"). If the compiler thinks it is uninitialized,
either simply initialize the variable or make compiler changes.
In preparation for removing[2] the[3] macro[4], remove all remaining
needless uses with the following script:
git grep '\buninitialized_var\b' | cut -d: -f1 | sort -u | \
xargs perl -pi -e \
's/\buninitialized_var\(([^\)]+)\)/\1/g;
s:\s*/\* (GCC be quiet|to make compiler happy) \*/$::g;'
drivers/video/fbdev/riva/riva_hw.c was manually tweaked to avoid
pathological white-space.
No outstanding warnings were found building allmodconfig with GCC 9.3.0
for x86_64, i386, arm64, arm, powerpc, powerpc64le, s390x, mips, sparc64,
alpha, and m68k.
[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/
Reviewed-by: Leon Romanovsky <leonro@mellanox.com> # drivers/infiniband and mlx4/mlx5
Acked-by: Jason Gunthorpe <jgg@mellanox.com> # IB
Acked-by: Kalle Valo <kvalo@codeaurora.org> # wireless drivers
Reviewed-by: Chao Yu <yuchao0@huawei.com> # erofs
Signed-off-by: Kees Cook <keescook@chromium.org>
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 96757f3..1d2e61e 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -1053,7 +1053,7 @@ static int afs_d_revalidate_rcu(struct dentry *dentry)
static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
{
struct afs_vnode *vnode, *dir;
- struct afs_fid uninitialized_var(fid);
+ struct afs_fid fid;
struct dentry *parent;
struct inode *inode;
struct key *key;
diff --git a/fs/afs/security.c b/fs/afs/security.c
index 90d8527..9cf3102 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -399,7 +399,7 @@ int afs_check_permit(struct afs_vnode *vnode, struct key *key,
int afs_permission(struct inode *inode, int mask)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
- afs_access_t uninitialized_var(access);
+ afs_access_t access;
struct key *key;
int ret = 0;
diff --git a/fs/dlm/netlink.c b/fs/dlm/netlink.c
index e7f5503..e338c40 100644
--- a/fs/dlm/netlink.c
+++ b/fs/dlm/netlink.c
@@ -113,7 +113,7 @@ static void fill_data(struct dlm_lock_data *data, struct dlm_lkb *lkb)
void dlm_timeout_warn(struct dlm_lkb *lkb)
{
- struct sk_buff *uninitialized_var(send_skb);
+ struct sk_buff *send_skb;
struct dlm_lock_data *data;
size_t size;
int rv;
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 64b56c7..d054215 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -265,7 +265,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
*/
static int erofs_raw_access_readpage(struct file *file, struct page *page)
{
- erofs_off_t uninitialized_var(last_block);
+ erofs_off_t last_block;
struct bio *bio;
trace_erofs_readpage(page, true);
@@ -282,7 +282,7 @@ static int erofs_raw_access_readpage(struct file *file, struct page *page)
static void erofs_raw_access_readahead(struct readahead_control *rac)
{
- erofs_off_t uninitialized_var(last_block);
+ erofs_off_t last_block;
struct bio *bio = NULL;
struct page *page;
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index be50a4d..24a26aa 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -1161,7 +1161,7 @@ static void z_erofs_submit_queue(struct super_block *sb,
struct z_erofs_decompressqueue *q[NR_JOBQUEUES];
void *bi_private;
/* since bio will be NULL, no need to initialize last_index */
- pgoff_t uninitialized_var(last_index);
+ pgoff_t last_index;
unsigned int nr_bios = 0;
struct bio *bio = NULL;
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index b4ddf48..c4a2742 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -1284,7 +1284,7 @@ int fat_add_entries(struct inode *dir, void *slots, int nr_slots,
struct super_block *sb = dir->i_sb;
struct msdos_sb_info *sbi = MSDOS_SB(sb);
struct buffer_head *bh, *prev, *bhs[3]; /* 32*slots (672bytes) */
- struct msdos_dir_entry *uninitialized_var(de);
+ struct msdos_dir_entry *de;
int err, free_slots, i, nr_bhs;
loff_t pos, i_pos;
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index c23f6f2..a1303ad 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -120,7 +120,7 @@ static ssize_t fuse_conn_max_background_write(struct file *file,
const char __user *buf,
size_t count, loff_t *ppos)
{
- unsigned uninitialized_var(val);
+ unsigned val;
ssize_t ret;
ret = fuse_conn_limit_write(file, buf, count, ppos, &val,
@@ -162,7 +162,7 @@ static ssize_t fuse_conn_congestion_threshold_write(struct file *file,
const char __user *buf,
size_t count, loff_t *ppos)
{
- unsigned uninitialized_var(val);
+ unsigned val;
struct fuse_conn *fc;
ssize_t ret;
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index 030f094..2cc1781 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -270,7 +270,7 @@ static int cuse_parse_one(char **pp, char *end, char **keyp, char **valp)
static int cuse_parse_devinfo(char *p, size_t len, struct cuse_devinfo *devinfo)
{
char *end = p + len;
- char *uninitialized_var(key), *uninitialized_var(val);
+ char *key, *val;
int rc;
while (true) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e573b0cd..32301fe 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2963,7 +2963,7 @@ static void fuse_register_polled_file(struct fuse_conn *fc,
{
spin_lock(&fc->lock);
if (RB_EMPTY_NODE(&ff->polled_node)) {
- struct rb_node **link, *uninitialized_var(parent);
+ struct rb_node **link, *parent;
link = fuse_find_polled_node(fc, ff->kh, &parent);
BUG_ON(*link);
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 72c9560..baa17c7 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -335,7 +335,7 @@ static int gfs2_write_cache_jdata(struct address_space *mapping,
int done = 0;
struct pagevec pvec;
int nr_pages;
- pgoff_t uninitialized_var(writeback_index);
+ pgoff_t writeback_index;
pgoff_t index;
pgoff_t end;
pgoff_t done_index;
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 6306eaa..8dfe09f 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1761,7 +1761,7 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length)
u64 lblock = (offset + (1 << bsize_shift) - 1) >> bsize_shift;
__u16 start_list[GFS2_MAX_META_HEIGHT];
__u16 __end_list[GFS2_MAX_META_HEIGHT], *end_list = NULL;
- unsigned int start_aligned, uninitialized_var(end_aligned);
+ unsigned int start_aligned, end_aligned;
unsigned int strip_h = ip->i_height - 1;
u32 btotal = 0;
int ret, state;
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index cb2a11b..ed1da43 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -419,7 +419,7 @@ static bool gfs2_jhead_pg_srch(struct gfs2_jdesc *jd,
struct page *page)
{
struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);
- struct gfs2_log_header_host uninitialized_var(lh);
+ struct gfs2_log_header_host lh;
void *kaddr = kmap_atomic(page);
unsigned int offset;
bool ret = false;
diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c
index c8d1b2be7..73342c9 100644
--- a/fs/hfsplus/unicode.c
+++ b/fs/hfsplus/unicode.c
@@ -398,7 +398,7 @@ int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str)
astr = str->name;
len = str->len;
while (len > 0) {
- int uninitialized_var(dsize);
+ int dsize;
size = asc2unichar(sb, astr, len, &c);
astr += size;
len -= size;
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index cac468f..4027698 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -152,8 +152,8 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{
int found;
- unsigned long uninitialized_var(block);
- unsigned long uninitialized_var(offset);
+ unsigned long block;
+ unsigned long offset;
struct inode *inode;
struct page *page;
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 83b8f06..7e9abdb 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -401,7 +401,7 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
{
size_t retlen;
int ret;
- uint32_t uninitialized_var(bad_offset);
+ uint32_t bad_offset;
switch (jffs2_block_check_erase(c, jeb, &bad_offset)) {
case -EAGAIN: goto refile;
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b68e966..bb1804b 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -351,7 +351,7 @@ static ssize_t write_unlock_fs(struct file *file, char *buf, size_t size)
static ssize_t write_filehandle(struct file *file, char *buf, size_t size)
{
char *dname, *path;
- int uninitialized_var(maxsize);
+ int maxsize;
char *mesg = buf;
int len;
struct auth_domain *dom;
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 2f834ad..4c1b904 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -4707,7 +4707,7 @@ int ocfs2_insert_extent(handle_t *handle,
struct ocfs2_alloc_context *meta_ac)
{
int status;
- int uninitialized_var(free_records);
+ int free_records;
struct buffer_head *last_eb_bh = NULL;
struct ocfs2_insert_type insert = {0, };
struct ocfs2_extent_rec rec;
@@ -7051,7 +7051,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
int need_free = 0;
u32 bit_off, num;
handle_t *handle;
- u64 uninitialized_var(block);
+ u64 block;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 5761060..bdfba9d 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -848,9 +848,9 @@ static int ocfs2_dx_dir_lookup(struct inode *inode,
u64 *ret_phys_blkno)
{
int ret = 0;
- unsigned int cend, uninitialized_var(clen);
- u32 uninitialized_var(cpos);
- u64 uninitialized_var(blkno);
+ unsigned int cend, clen;
+ u32 cpos;
+ u64 blkno;
u32 name_hash = hinfo->major_hash;
ret = ocfs2_dx_dir_lookup_rec(inode, el, name_hash, &cpos, &blkno,
@@ -894,7 +894,7 @@ static int ocfs2_dx_dir_search(const char *name, int namelen,
struct ocfs2_dir_lookup_result *res)
{
int ret, i, found;
- u64 uninitialized_var(phys);
+ u64 phys;
struct buffer_head *dx_leaf_bh = NULL;
struct ocfs2_dx_leaf *dx_leaf;
struct ocfs2_dx_entry *dx_entry = NULL;
@@ -4393,9 +4393,9 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir,
int ocfs2_dx_dir_truncate(struct inode *dir, struct buffer_head *di_bh)
{
int ret;
- unsigned int uninitialized_var(clen);
- u32 major_hash = UINT_MAX, p_cpos, uninitialized_var(cpos);
- u64 uninitialized_var(blkno);
+ unsigned int clen;
+ u32 major_hash = UINT_MAX, p_cpos, cpos;
+ u64 blkno;
struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
struct buffer_head *dx_root_bh = NULL;
struct ocfs2_dx_root_block *dx_root;
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index a94852a..7b93e9c 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -403,7 +403,7 @@ static int ocfs2_get_clusters_nocache(struct inode *inode,
{
int i, ret, tree_height, len;
struct ocfs2_dinode *di;
- struct ocfs2_extent_block *uninitialized_var(eb);
+ struct ocfs2_extent_block *eb;
struct ocfs2_extent_list *el;
struct ocfs2_extent_rec *rec;
struct buffer_head *eb_bh = NULL;
@@ -599,7 +599,7 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,
unsigned int *extent_flags)
{
int ret;
- unsigned int uninitialized_var(hole_len), flags = 0;
+ unsigned int hole_len, flags = 0;
struct buffer_head *di_bh = NULL;
struct ocfs2_extent_rec rec;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 5381020..c46bf7f 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -2498,7 +2498,7 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
struct buffer_head *new_di_bh = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
- u64 uninitialized_var(di_blkno), suballoc_loc;
+ u64 di_blkno, suballoc_loc;
u16 suballoc_bit;
status = ocfs2_inode_lock(dir, &parent_di_bh, 1);
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index cfb77f7..3b397fa 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1063,7 +1063,7 @@ static int ocfs2_get_refcount_rec(struct ocfs2_caching_info *ci,
struct buffer_head **ret_bh)
{
int ret = 0, i, found;
- u32 low_cpos, uninitialized_var(cpos_end);
+ u32 low_cpos, cpos_end;
struct ocfs2_extent_list *el;
struct ocfs2_extent_rec *rec = NULL;
struct ocfs2_extent_block *eb = NULL;
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 90c830e3..9ccd19d 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -1211,7 +1211,7 @@ static int ocfs2_xattr_block_get(struct inode *inode,
struct ocfs2_xattr_value_root *xv;
size_t size;
int ret = -ENODATA, name_offset, name_len, i;
- int uninitialized_var(block_off);
+ int block_off;
xs->bucket = ocfs2_xattr_bucket_new(inode);
if (!xs->bucket) {
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index d7b5f09..2c7b70e 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -220,7 +220,7 @@ static int omfs_get_block(struct inode *inode, sector_t block,
struct buffer_head *bh;
sector_t next, offset;
int ret;
- u64 uninitialized_var(new_block);
+ u64 new_block;
u32 max_extents;
int extent_count;
struct omfs_extent *oe;
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 79dd052..8e1c3085 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -787,7 +787,7 @@ static int ovl_copy_up_meta_inode_data(struct ovl_copy_up_ctx *c)
struct path upperpath, datapath;
int err;
char *capability = NULL;
- ssize_t uninitialized_var(cap_size);
+ ssize_t cap_size;
ovl_path_upper(c->dentry, &upperpath);
if (WARN_ON(upperpath.dentry == NULL))
diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c
index ad292c5..b5cdac9 100644
--- a/fs/ubifs/commit.c
+++ b/fs/ubifs/commit.c
@@ -552,11 +552,11 @@ int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot)
*/
int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot)
{
- int lnum, offs, len, err = 0, uninitialized_var(last_level), child_cnt;
+ int lnum, offs, len, err = 0, last_level, child_cnt;
int first = 1, iip;
struct ubifs_debug_info *d = c->dbg;
- union ubifs_key uninitialized_var(lower_key), upper_key, l_key, u_key;
- unsigned long long uninitialized_var(last_sqnum);
+ union ubifs_key lower_key, upper_key, l_key, u_key;
+ unsigned long long last_sqnum;
struct ubifs_idx_node *idx;
struct list_head list;
struct idx_node *i;
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ef85ec1..9d04294 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1260,7 +1260,7 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
struct ubifs_budget_req ino_req = { .dirtied_ino = 1,
.dirtied_ino_d = ALIGN(old_inode_ui->data_len, 8) };
struct timespec64 time;
- unsigned int uninitialized_var(saved_nlink);
+ unsigned int saved_nlink;
struct fscrypt_name old_nm, new_nm;
/*
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 49fe062..b77d163 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -222,7 +222,7 @@ static int write_begin_slow(struct address_space *mapping,
struct ubifs_info *c = inode->i_sb->s_fs_info;
pgoff_t index = pos >> PAGE_SHIFT;
struct ubifs_budget_req req = { .new_page = 1 };
- int uninitialized_var(err), appending = !!(pos + len > inode->i_size);
+ int err, appending = !!(pos + len > inode->i_size);
struct page *page;
dbg_gen("ino %lu, pos %llu, len %u, i_size %lld",
@@ -426,7 +426,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
pgoff_t index = pos >> PAGE_SHIFT;
- int uninitialized_var(err), appending = !!(pos + len > inode->i_size);
+ int err, appending = !!(pos + len > inode->i_size);
int skipped_read = 0;
struct page *page;
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index e5ec1af..2e62643 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1222,7 +1222,7 @@ int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir,
int aligned_dlen1, aligned_dlen2, plen = UBIFS_INO_NODE_SZ;
int last_reference = !!(new_inode && new_inode->i_nlink == 0);
int move = (old_dir != new_dir);
- struct ubifs_inode *uninitialized_var(new_ui);
+ struct ubifs_inode *new_ui;
u8 hash_old_dir[UBIFS_HASH_ARR_SZ];
u8 hash_new_dir[UBIFS_HASH_ARR_SZ];
u8 hash_new_inode[UBIFS_HASH_ARR_SZ];
@@ -1507,7 +1507,7 @@ int ubifs_jnl_truncate(struct ubifs_info *c, const struct inode *inode,
union ubifs_key key, to_key;
struct ubifs_ino_node *ino;
struct ubifs_trun_node *trun;
- struct ubifs_data_node *uninitialized_var(dn);
+ struct ubifs_data_node *dn;
int err, dlen, len, lnum, offs, bit, sz, sync = IS_SYNC(inode);
struct ubifs_inode *ui = ubifs_inode(inode);
ino_t inum = inode->i_ino;
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index e21abf2..6e0a153 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -275,7 +275,7 @@ uint32_t ubifs_unpack_bits(const struct ubifs_info *c, uint8_t **addr, int *pos,
const int k = 32 - nrbits;
uint8_t *p = *addr;
int b = *pos;
- uint32_t uninitialized_var(val);
+ uint32_t val;
const int bytes = (nrbits + b + 7) >> 3;
ubifs_assert(c, nrbits > 0);
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index e8e7b0e..f609f6c 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -892,7 +892,7 @@ static int fallible_resolve_collision(struct ubifs_info *c,
int adding)
{
struct ubifs_znode *o_znode = NULL, *znode = *zn;
- int uninitialized_var(o_n), err, cmp, unsure = 0, nn = *n;
+ int o_n, err, cmp, unsure = 0, nn = *n;
cmp = fallible_matches_name(c, &znode->zbranch[nn], nm);
if (unlikely(cmp < 0))
@@ -1514,8 +1514,8 @@ int ubifs_tnc_locate(struct ubifs_info *c, const union ubifs_key *key,
*/
int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu)
{
- int n, err = 0, lnum = -1, uninitialized_var(offs);
- int uninitialized_var(len);
+ int n, err = 0, lnum = -1, offs;
+ int len;
unsigned int block = key_block(c, &bu->key);
struct ubifs_znode *znode;
diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c
index 49cb34c..ccaf94e 100644
--- a/fs/ubifs/tnc_misc.c
+++ b/fs/ubifs/tnc_misc.c
@@ -126,8 +126,8 @@ int ubifs_search_zbranch(const struct ubifs_info *c,
const struct ubifs_znode *znode,
const union ubifs_key *key, int *n)
{
- int beg = 0, end = znode->child_cnt, uninitialized_var(mid);
- int uninitialized_var(cmp);
+ int beg = 0, end = znode->child_cnt, mid;
+ int cmp;
const struct ubifs_zbranch *zbr = &znode->zbranch[0];
ubifs_assert(c, end > beg);
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 02f03fa..8e597db 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -564,7 +564,7 @@ static udf_pblk_t udf_table_new_block(struct super_block *sb,
udf_pblk_t newblock = 0;
uint32_t adsize;
uint32_t elen, goal_elen = 0;
- struct kernel_lb_addr eloc, uninitialized_var(goal_eloc);
+ struct kernel_lb_addr eloc, goal_eloc;
struct extent_position epos, goal_epos;
int8_t etype;
struct udf_inode_info *iinfo = UDF_I(table);
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index f37f5cc..3052586 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -126,7 +126,7 @@ xfs_bmap_rtalloc(
* pick an extent that will space things out in the rt area.
*/
if (ap->eof && ap->offset == 0) {
- xfs_rtblock_t uninitialized_var(rtx); /* realtime extent no */
+ xfs_rtblock_t rtx; /* realtime extent no */
error = xfs_rtpick_extent(mp, ap->tp, ralen, &rtx);
if (error)
