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authorTavian Barnes2024-06-21 16:39:58 -0400
committerKent Overstreet2024-07-18 18:33:30 -0400
commitee1b8dc17ac367f3fbea18fee4f7825eb11eb757 (patch)
tree76e0ab5a5c016bea4ac70671da9a5c4fc80d6ab1
parent2e118ba36d56acf78084518dfb7cb53b1d417da0 (diff)
bcachefs: varint: Avoid left-shift of a negative value
Shifting a negative value left is undefined. Signed-off-by: Tavian Barnes <tavianator@tavianator.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
-rw-r--r--fs/bcachefs/varint.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/bcachefs/varint.c b/fs/bcachefs/varint.c
index cb4f33ed9ab3..a9ebcd82c602 100644
--- a/fs/bcachefs/varint.c
+++ b/fs/bcachefs/varint.c
@@ -85,7 +85,7 @@ int bch2_varint_encode_fast(u8 *out, u64 v)
if (likely(bytes < 9)) {
v <<= bytes;
- v |= ~(~0 << (bytes - 1));
+ v |= ~(~0U << (bytes - 1));
} else {
*out++ = 255;
bytes = 9;