From 05a6ec865d091fe8244657df8063f74e704d1711 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 22 Apr 2025 17:55:41 +0200 Subject: 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 Signed-off-by: David Sterba --- fs/btrfs/zstd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/btrfs/zstd.c') 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 -- cgit v1.2.3