Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7753f1692f53d82b4cc08084462b0fd2803c1f04 Commit: 7753f1692f53d82b4cc08084462b0fd2803c1f04 Parent: d7f0c4dc31f1297a613f1e61a7d682dc9a5e859a Author: Vignesh Babu <[EMAIL PROTECTED]> AuthorDate: Tue Jun 12 10:31:05 2007 +0530 Committer: Artem Bityutskiy <[EMAIL PROTECTED]> CommitDate: Wed Jul 18 16:55:26 2007 +0300
UBI: use is_power_of_2() Replacing (n & (n-1)) in the context of power of 2 checks with is_power_of_2 Signed-off-by: Vignesh Babu <[EMAIL PROTECTED]> Signed-off-by: Artem Bityutskiy <[EMAIL PROTECTED]> --- drivers/mtd/ubi/build.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 08ca214..eb8b55d 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -33,6 +33,7 @@ #include <linux/moduleparam.h> #include <linux/stringify.h> #include <linux/stat.h> +#include <linux/log2.h> #include "ubi.h" /* Maximum length of the 'mtd=' parameter */ @@ -422,8 +423,7 @@ static int io_init(struct ubi_device *ubi) ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft; /* Make sure minimal I/O unit is power of 2 */ - if (ubi->min_io_size == 0 || - (ubi->min_io_size & (ubi->min_io_size - 1))) { + if (!is_power_of_2(ubi->min_io_size)) { ubi_err("bad min. I/O unit"); return -EINVAL; } - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html