[PATCH 1/1] mmc: core: fix build warning

Dong Aisheng b29396 at freescale.com
Thu Oct 31 01:02:47 EDT 2013


On Wed, Oct 30, 2013 at 07:55:32AM -0700, Ulf Hansson wrote:
> 
> 
> Dong Aisheng <b29396 at freescale.com> skrev:
> >drivers/mmc/core/mmc_ops.c: In function '__mmc_switch':
> >drivers/mmc/core/mmc_ops.c:484:11: warning: 'status' may be used
> >uninitialized in this function [-Wuninitialized]
> >
> >Signed-off-by: Dong Aisheng <b29396 at freescale.com>
> 
> Hi Dong,
> 
> I have already sent a patch for this, it was more or less me causing it.:-)
> 
> Kind regards
> Ulf Hansson

Hi Ulf,

Got it, thanks for the information. :-)

Regards
Dong Aisheng
> >---
> > drivers/mmc/core/mmc_ops.c |    2 +-
> > 1 files changed, 1 insertions(+), 1 deletions(-)
> >
> >diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
> >index aae8d8b..651260c 100644
> >--- a/drivers/mmc/core/mmc_ops.c
> >+++ b/drivers/mmc/core/mmc_ops.c
> >@@ -414,7 +414,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8
> >index, u8 value,
> > 	int err;
> > 	struct mmc_command cmd = {0};
> > 	unsigned long timeout;
> >-	u32 status;
> >+	u32 uninitialized_var(status);
> > 	bool ignore_crc = false;
> > 
> > 	BUG_ON(!card);
> 
> 




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