The patch titled
Subject: lib: bitmap: add missing mask in bitmap_shift_right
has been removed from the -mm tree. Its filename was
lib-bitmap-add-missing-mask-in-bitmap_shift_right.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Subject: lib: bitmap: add missing mask in bitmap_shift_right
There is no guarantee that *src does not contain garbage bits outside the
lower nbits, so we need to mask it before the shift-and-assign.
Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/bitmap.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/bitmap.h~lib-bitmap-add-missing-mask-in-bitmap_shift_right include/linux/bitmap.h
--- a/include/linux/bitmap.h~lib-bitmap-add-missing-mask-in-bitmap_shift_right
+++ a/include/linux/bitmap.h
@@ -284,7 +284,7 @@ static inline void bitmap_shift_right(un
const unsigned long *src, int n, int nbits)
{
if (small_const_nbits(nbits))
- *dst = *src >> n;
+ *dst = (*src & BITMAP_LAST_WORD_MASK(nbits)) >> n;
else
__bitmap_shift_right(dst, src, n, nbits);
}
_
Patches currently in -mm which might be from linux@xxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
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