Commit ee1b8dc1 authored by Tavian Barnes's avatar Tavian Barnes Committed by Kent Overstreet
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bcachefs: varint: Avoid left-shift of a negative value 



Shifting a negative value left is undefined.

Signed-off-by: default avatarTavian Barnes <tavianator@tavianator.com>
Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 2e118ba3

fs/bcachefs/varint.c

+1 −1
Original line number Diff line number Diff line
@@ -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;