xfs: Use kvcalloc() instead of kvzalloc()
Use 2-factor argument multiplication form kvcalloc() instead of
kvzalloc().
Link: https://github.com/KSPP/linux/issues/162
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 0c795dc..174cd89 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1547,7 +1547,7 @@ xfs_ioc_getbmap(
if (bmx.bmv_count > ULONG_MAX / recsize)
return -ENOMEM;
- buf = kvzalloc(bmx.bmv_count * sizeof(*buf), GFP_KERNEL);
+ buf = kvcalloc(bmx.bmv_count, sizeof(*buf), GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -1601,11 +1601,11 @@ xfs_ioc_getfsmap(
*/
count = min_t(unsigned int, head.fmh_count,
131072 / sizeof(struct fsmap));
- recs = kvzalloc(count * sizeof(struct fsmap), GFP_KERNEL);
+ recs = kvcalloc(count, sizeof(struct fsmap), GFP_KERNEL);
if (!recs) {
count = min_t(unsigned int, head.fmh_count,
PAGE_SIZE / sizeof(struct fsmap));
- recs = kvzalloc(count * sizeof(struct fsmap), GFP_KERNEL);
+ recs = kvcalloc(count, sizeof(struct fsmap), GFP_KERNEL);
if (!recs)
return -ENOMEM;
}
