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ARM: davinci: dm644x evm: move pointer dereference below NULL check

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Pointer 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>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Wei Yongjun 2012-09-10 04:49:23 +00:00 committed by Sekhar Nori
parent 6f0c0580b7
commit 9ad90238bf
1 changed files with 3 additions and 2 deletions
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5
arch/arm/mach-davinci/board-dm644x-evm.c
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@ -519,13 +519,11 @@ static int dm6444evm_msp430_get_pins(void)
char buf[4];
struct i2c_msg msg[2] = {
{
.addr = dm6446evm_msp->addr,
.flags = 0,
.len = 2,
.buf = (void __force *)txbuf,
},
{
.addr = dm6446evm_msp->addr,
.flags = I2C_M_RD,
.len = 4,
.buf = buf,
@ -536,6 +534,9 @@ static int dm6444evm_msp430_get_pins(void)
if (!dm6446evm_msp)
return -ENXIO;
msg[0].addr = dm6446evm_msp->addr;
msg[1].addr = dm6446evm_msp->addr;
/* Command 4 == get input state, returns port 2 and port3 data
* S Addr W [A] len=2 [A] cmd=4 [A]
* RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P