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sdhci: 'scratch' may be used uninitialized

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The variable 'scratch' is always initialized before it's used. The
conditional which is responsible for initialization of 'scratch' will
always evaluate 'true' when the first loop iteration occurs, and thus,
it's properly initialized. GCC doesn't see this, of course, so using
the uninitialized_var() macro seems to work for silencing this case.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Steven Noonan 2008-10-01 01:50:25 -07:00 committed by Pierre Ossman
parent 57105737f6
commit 7244b85bd1
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/sdhci.c
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@ -177,7 +177,7 @@ static void sdhci_read_block_pio(struct sdhci_host *host)
{
unsigned long flags;
size_t blksize, len, chunk;
u32 scratch;
u32 uninitialized_var(scratch);
u8 *buf;
DBG("PIO reading\n");