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| author | Chander Kashyap | 2012-09-21 04:08:32 +0200 |
|---|---|---|
| committer | Kukjin Kim | 2012-09-21 04:08:32 +0200 |
| commit | 13acc291191281e2980e56dbe3a3d80ce677c9a8 (patch) | |
| tree | fd8a56b1a37b45614c4cbd8dc7b5abe22301efc0 /arch/arm/plat-samsung | |
| parent | ARM: EXYNOS: Put PCM, Slimbus, Spdif clocks to off state (diff) | |
| download | kernel-qcow2-linux-13acc291191281e2980e56dbe3a3d80ce677c9a8.tar.gz kernel-qcow2-linux-13acc291191281e2980e56dbe3a3d80ce677c9a8.tar.xz kernel-qcow2-linux-13acc291191281e2980e56dbe3a3d80ce677c9a8.zip | |
ARM: SAMSUNG: Add check for NULL in clock interface
The clock instance parameter in Samsung clock interface is not being checked
for NULL pointers. Add checks for NULL pointers.
Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/plat-samsung')
| -rw-r--r-- | arch/arm/plat-samsung/clock.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 65c5eca475e7..7938fbce825e 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -119,7 +119,7 @@ void clk_disable(struct clk *clk) unsigned long clk_get_rate(struct clk *clk) { - if (IS_ERR(clk)) + if (IS_ERR_OR_NULL(clk)) return 0; if (clk->rate != 0) @@ -136,7 +136,7 @@ unsigned long clk_get_rate(struct clk *clk) long clk_round_rate(struct clk *clk, unsigned long rate) { - if (!IS_ERR(clk) && clk->ops && clk->ops->round_rate) + if (!IS_ERR_OR_NULL(clk) && clk->ops && clk->ops->round_rate) return (clk->ops->round_rate)(clk, rate); return rate; @@ -146,7 +146,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate) { int ret; - if (IS_ERR(clk)) + if (IS_ERR_OR_NULL(clk)) return -EINVAL; /* We do not default just do a clk->rate = rate as @@ -175,7 +175,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent) { int ret = 0; - if (IS_ERR(clk)) + if (IS_ERR_OR_NULL(clk) || IS_ERR_OR_NULL(parent)) return -EINVAL; spin_lock(&clocks_lock); |