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OMAP clockdomain: if no autodeps exist, don't try to add or remove them

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_clkdm_add_autodeps() and _clkdm_del_autodeps() will attempt to dereference
a NULL pointer if no autodeps were supplied to clkdm_init().

Based on a patch from Roel Kluin <roel.kluin@gmail.com> - thanks Roel.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Roel Kluin <roel.kluin@gmail.com>
This commit is contained in:
Paul Walmsley 2010-02-22 22:09:35 -07:00
parent 43b40992ce
commit ad9561609c
1 changed files with 6 additions and 0 deletions
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6
arch/arm/mach-omap2/clockdomain.c
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@ -173,6 +173,9 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm)
{
struct clkdm_autodep *autodep;
if (!autodeps)
return;
for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
if (IS_ERR(autodep->clkdm.ptr))
continue;
@ -201,6 +204,9 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
{
struct clkdm_autodep *autodep;
if (!autodeps)
return;
for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
if (IS_ERR(autodep->clkdm.ptr))
continue;