Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v2 3/6] dma: coh901318: avoid unbalanced locking | Date | Thu, 14 Feb 2013 11:00:17 +0200 |
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In case the len is 0 we must return without trying to unlock the lock that was not locked.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: linux-arm-kernel@lists.infradead.org --- drivers/dma/coh901318_lli.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/coh901318_lli.c b/drivers/dma/coh901318_lli.c index 780e042..fe9cc5e 100644 --- a/drivers/dma/coh901318_lli.c +++ b/drivers/dma/coh901318_lli.c @@ -61,7 +61,7 @@ coh901318_lli_alloc(struct coh901318_pool *pool, unsigned int len) dma_addr_t phy; if (len == 0) - goto err; + return NULL; spin_lock(&pool->lock); -- 1.7.10.4
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