Messages in this thread Patch in this message |  | | | From | Sven Eckelmann <> | | Subject | [PATCHv4 05/11] omap3isp: Use *_dec_not_zero instead of *_add_unless | | Date | Wed, 27 Jul 2011 11:47:44 +0200 |
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atomic_dec_not_zero is defined for each architecture through <linux/atomic.h> to provide the functionality of atomic_add_unless(x, -1, 0).
Signed-off-by: Sven Eckelmann <sven@narfation.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: linux-media@vger.kernel.org --- drivers/media/video/omap3isp/ispstat.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/omap3isp/ispstat.c b/drivers/media/video/omap3isp/ispstat.c index b44cb68..81b1ec9 100644 --- a/drivers/media/video/omap3isp/ispstat.c +++ b/drivers/media/video/omap3isp/ispstat.c @@ -652,7 +652,7 @@ static int isp_stat_buf_process(struct ispstat *stat, int buf_state) { int ret = STAT_NO_BUF; - if (!atomic_add_unless(&stat->buf_err, -1, 0) && + if (!atomic_dec_not_zero(&stat->buf_err) && buf_state == STAT_BUF_DONE && stat->state == ISPSTAT_ENABLED) { ret = isp_stat_buf_queue(stat); isp_stat_buf_next(stat); -- 1.7.5.4
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