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authorKaran Sanghavi <karansanghvi98@gmail.com>2025-01-11 16:31:30 +0100
committerAndrew Morton <akpm@linux-foundation.org>2025-01-16 06:15:43 +0100
commitb071cc35469ea44392222fe8de69b431a0778a5f (patch)
tree50258f5394d7df630c6ef1d21fe512ef015383e7 /mm/shmem.c
parentalloc_tag: skip pgalloc_tag_swap if profiling is disabled (diff)
downloadlinux-b071cc35469ea44392222fe8de69b431a0778a5f.tar.xz
linux-b071cc35469ea44392222fe8de69b431a0778a5f.zip
mm: shmem: use signed int for version handling in casefold option
Fixes an issue where the use of an unsigned data type in `shmem_parse_opt_casefold()` caused incorrect evaluation of negative conditions. Link: https://lkml.kernel.org/r/20250111-unsignedcompare1601569-v3-1-c861b4221831@gmail.com Fixes: 58e55efd6c72 ("tmpfs: Add casefold lookup support") Reviewed-by: André Almeida <andrealmeid@igalia.com> Reviewed-by: Gabriel Krisman Bertazi <gabriel@krisman.be> Signed-off-by: Karan Sanghavi <karansanghvi98@gmail.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Hugh Dickens <hughd@google.com> Cc: Shuah khan <skhan@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--mm/shmem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index ac58d4fb2e6f..fdb5afa1cfe9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4368,7 +4368,7 @@ static int shmem_parse_opt_casefold(struct fs_context *fc, struct fs_parameter *
bool latest_version)
{
struct shmem_options *ctx = fc->fs_private;
- unsigned int version = UTF8_LATEST;
+ int version = UTF8_LATEST;
struct unicode_map *encoding;
char *version_str = param->string + 5;