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powerpc/pmac/low_i2c.c: three minor problems 

Fix minor nits found by cppcheck

[./arch/powerpc/platforms/powermac/low_i2c.c:594]: (style) The scope of the variable chans can be reduced
[./arch/powerpc/platforms/powermac/low_i2c.c:594]: (style) The scope of the variable i can be reduced
[./arch/powerpc/platforms/powermac/low_i2c.c:1260]: (style) Redundant condition. It is safe to deallocate a NULL pointer

Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
d binderman 2010-02-06 02:13:29 +00:00 committed by Benjamin Herrenschmidt
parent 6237cdac5d
commit 213972e9fa
1 changed files with 4 additions and 3 deletions
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7
arch/powerpc/platforms/powermac/low_i2c.c
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@ -592,7 +592,7 @@ static void __init kw_i2c_probe(void)
/* Probe keywest-i2c busses */
for_each_compatible_node(np, "i2c","keywest-i2c") {
struct pmac_i2c_host_kw *host;
int multibus, chans, i;
int multibus;
/* Found one, init a host structure */
host = kw_i2c_host_init(np);
@ -614,6 +614,8 @@ static void __init kw_i2c_probe(void)
* parent type
*/
if (multibus) {
int chans, i;
parent = of_get_parent(np);
if (parent == NULL)
continue;
@ -1258,8 +1260,7 @@ static void pmac_i2c_do_end(struct pmf_function *func, void *instdata)
if (inst == NULL)
return;
pmac_i2c_close(inst->bus);
if (inst)
kfree(inst);
kfree(inst);
}
static int pmac_i2c_do_read(PMF_STD_ARGS, u32 len)