fs/ntfs3: Use _le variants of bitops functions
The functions from bitops.h already have _le variants so use them to
prevent invalid reads/writes of the bitmap on big endian systems.
Signed-off-by: Thomas Kühnel <thomas.kuehnel@avm.de>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
index bc65686..50c90d7 100644
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -323,7 +323,7 @@ static int indx_mark_used(struct ntfs_index *indx, struct ntfs_inode *ni,
if (err)
return err;
- __set_bit(bit - bbuf.bit, bbuf.buf);
+ __set_bit_le(bit - bbuf.bit, bbuf.buf);
bmp_buf_put(&bbuf, true);
@@ -343,7 +343,7 @@ static int indx_mark_free(struct ntfs_index *indx, struct ntfs_inode *ni,
if (err)
return err;
- __clear_bit(bit - bbuf.bit, bbuf.buf);
+ __clear_bit_le(bit - bbuf.bit, bbuf.buf);
bmp_buf_put(&bbuf, true);
@@ -457,7 +457,7 @@ static int scan_nres_bitmap(struct ntfs_inode *ni, struct ATTRIB *bitmap,
static bool scan_for_free(const ulong *buf, u32 bit, u32 bits, size_t *ret)
{
- size_t pos = find_next_zero_bit(buf, bits, bit);
+ size_t pos = find_next_zero_bit_le(buf, bits, bit);
if (pos >= bits)
return false;
@@ -489,7 +489,7 @@ static int indx_find_free(struct ntfs_index *indx, struct ntfs_inode *ni,
if (!b->non_res) {
u32 nbits = 8 * le32_to_cpu(b->res.data_size);
- size_t pos = find_next_zero_bit(resident_data(b), nbits, 0);
+ size_t pos = find_next_zero_bit_le(resident_data(b), nbits, 0);
if (pos < nbits)
*bit = pos;
@@ -505,7 +505,7 @@ static int indx_find_free(struct ntfs_index *indx, struct ntfs_inode *ni,
static bool scan_for_used(const ulong *buf, u32 bit, u32 bits, size_t *ret)
{
- size_t pos = find_next_bit(buf, bits, bit);
+ size_t pos = find_next_bit_le(buf, bits, bit);
if (pos >= bits)
return false;
@@ -536,7 +536,7 @@ int indx_used_bit(struct ntfs_index *indx, struct ntfs_inode *ni, size_t *bit)
if (!b->non_res) {
u32 nbits = le32_to_cpu(b->res.data_size) * 8;
- size_t pos = find_next_bit(resident_data(b), nbits, from);
+ size_t pos = find_next_bit_le(resident_data(b), nbits, from);
if (pos < nbits)
*bit = pos;
@@ -1953,7 +1953,7 @@ static int indx_shrink(struct ntfs_index *indx, struct ntfs_inode *ni,
if (bit >= nbits)
return 0;
- pos = find_next_bit(bm, nbits, bit);
+ pos = find_next_bit_le(bm, nbits, bit);
if (pos < nbits)
return 0;
} else {
