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-rw-r--r--fs/xfs/libxfs/xfs_alloc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 14a222fdc665..516162be1398 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -260,6 +260,7 @@ xfs_alloc_fix_len(
rlen = rlen - (k - args->mod);
else
rlen = rlen - args->prod + (args->mod - k);
+ /* casts to (int) catch length underflows */
if ((int)rlen < (int)args->minlen)
return;
ASSERT(rlen >= args->minlen && rlen <= args->maxlen);
@@ -286,7 +287,8 @@ xfs_alloc_fix_minleft(
if (diff >= 0)
return 1;
args->len += diff; /* shrink the allocated space */
- if (args->len >= args->minlen)
+ /* casts to (int) catch length underflows */
+ if ((int)args->len >= (int)args->minlen)
return 1;
args->agbno = NULLAGBLOCK;
return 0;
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