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mmc: pwrseq_simple: fix error path in mmc_pwrseq_simple_alloc 

The current error-path code (when gpiod_get_index() reports
an error) can never free pwrseq->reset_gpios[0], but might
try to tree pwrseq->reset_gpios[-1], which has unfortunate
consequences.

Signed-off-by: NeilBrown <neil@brown.name>
Fixes: 934f1f4833
Acked-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reported-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
This commit is contained in:
NeilBrown 2015-02-21 15:15:16 +11:00 committed by Ulf Hansson
parent 06e5801b8c
commit 6b7a783ebd
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/core/pwrseq_simple.c
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@ -124,7 +124,7 @@ int mmc_pwrseq_simple_alloc(struct mmc_host *host, struct device *dev)
PTR_ERR(pwrseq->reset_gpios[i]) != -ENOSYS) {
ret = PTR_ERR(pwrseq->reset_gpios[i]);
while (--i)
while (i--)
gpiod_put(pwrseq->reset_gpios[i]);
goto clk_put;