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| author | Mark Brown <broonie@kernel.org> | 2014-11-03 15:13:33 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-03 15:13:33 +0000 |
| commit | ebc01f593b58e1896150fc2e3cbdd0116323c52c (patch) | |
| tree | 23e905a3fdbee3fc8a66ef760b9ed5ef5455e9dd /lib/bitmap.c | |
| parent | 3f7256fe5fc64132a2dd19695255c990aa2188cf (diff) | |
| parent | 0df1f2487d2f0d04703f142813d53615d62a1da4 (diff) | |
Merge tag 'v3.18-rc3' into asoc-sgtl5000
Linux 3.18-rc3
Diffstat (limited to 'lib/bitmap.c')
| -rw-r--r-- | lib/bitmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index cd250a2e14cb..b499ab6ada29 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -131,7 +131,9 @@ void __bitmap_shift_right(unsigned long *dst, lower = src[off + k]; if (left && off + k == lim - 1) lower &= mask; - dst[k] = upper << (BITS_PER_LONG - rem) | lower >> rem; + dst[k] = lower >> rem; + if (rem) + dst[k] |= upper << (BITS_PER_LONG - rem); if (left && k == lim - 1) dst[k] &= mask; } @@ -172,7 +174,9 @@ void __bitmap_shift_left(unsigned long *dst, upper = src[k]; if (left && k == lim - 1) upper &= (1UL << left) - 1; - dst[k + off] = lower >> (BITS_PER_LONG - rem) | upper << rem; + dst[k + off] = upper << rem; + if (rem) + dst[k + off] |= lower >> (BITS_PER_LONG - rem); if (left && k + off == lim - 1) dst[k + off] &= (1UL << left) - 1; } |