From: Lars-Peter Clausen Date: Mon, 29 Dec 2014 18:41:44 +0000 (+0100) Subject: ALSA: pcm: Use __ffs() instead of ffs() in snd_mask_min() X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~130^2~104^2~2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=599ee3291ae88700749e2910a11d1c0f0532355e;p=pandora-kernel.git ALSA: pcm: Use __ffs() instead of ffs() in snd_mask_min() The difference between __ffs and ffs is that ffs will return a one based index whereas __ffs will return a zero based index. Furthermore ffs will check if the passed value is zero and return zero in that case, whereas __ffs behavior is undefined if the passed parameter is 0. Since we already check if the mask is 0 before calling ffs and also subtract 1 from the result __ffs is the better choice. Signed-off-by: Lars-Peter Clausen Signed-off-by: Takashi Iwai --- Reading git-diff-tree failed