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memstick: move the dereference below the NULL test 

The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wei Yongjun 2013-02-27 17:05:46 -08:00 committed by Linus Torvalds
parent 507063b2a4
commit 940da353a8
1 changed files with 2 additions and 1 deletions
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3
drivers/memstick/host/r592.c
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@ -454,7 +454,7 @@ static int r592_transfer_fifo_pio(struct r592_device *dev)
/* Executes one TPC (data is read/written from small or large fifo) */
static void r592_execute_tpc(struct r592_device *dev)
{
bool is_write = dev->req->tpc >= MS_TPC_SET_RW_REG_ADRS;
bool is_write;
int len, error;
u32 status, reg;
@ -463,6 +463,7 @@ static void r592_execute_tpc(struct r592_device *dev)
return;
}
is_write = dev->req->tpc >= MS_TPC_SET_RW_REG_ADRS;
len = dev->req->long_data ?
dev->req->sg.length : dev->req->data_len;