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authorDavid Sterba <dsterba@suse.com>2025-04-22 17:55:41 +0200
committerDavid Sterba <dsterba@suse.com>2025-05-15 14:30:48 +0200
commit05a6ec865d091fe8244657df8063f74e704d1711 (patch)
tree4522b724dbec7392ae63f10db8f2eb89dc156b7d /fs/btrfs/zstd.c
parentd4d788a776b49c1e8961104caa2b715bc49074af (diff)
btrfs: use unsigned types for constants defined as bit shifts
The unsigned type is a recommended practice (CWE-190, CWE-194) for bit shifts to avoid problems with potential unwanted sign extensions. Although there are no such cases in btrfs codebase, follow the recommendation. Reviewed-by: Boris Burkov <boris@bur.io> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zstd.c')
-rw-r--r--fs/btrfs/zstd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c
index 75efca4da194..4a796a049b5a 100644
--- a/fs/btrfs/zstd.c
+++ b/fs/btrfs/zstd.c
@@ -24,7 +24,7 @@
#include "super.h"
#define ZSTD_BTRFS_MAX_WINDOWLOG 17
-#define ZSTD_BTRFS_MAX_INPUT (1 << ZSTD_BTRFS_MAX_WINDOWLOG)
+#define ZSTD_BTRFS_MAX_INPUT (1U << ZSTD_BTRFS_MAX_WINDOWLOG)
#define ZSTD_BTRFS_DEFAULT_LEVEL 3
#define ZSTD_BTRFS_MIN_LEVEL -15
#define ZSTD_BTRFS_MAX_LEVEL 15