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powerpc: 512x: Fix mpc5121_clk_get()

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If try_module_get() fails, mpc5121_clk_get() might return
a wrong clock.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Richard Weinberger
2012-03-26 09:01:29 +00:00
committed by Anatolij Gustschin
parent 55d512e245
commit fca826460e
1 changed files with 4 additions and 2 deletions
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6
arch/powerpc/platforms/512x/clock.c
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@@ -54,14 +54,16 @@ static DEFINE_MUTEX(clocks_mutex);
static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
{
struct clk *p, *clk = ERR_PTR(-ENOENT);
int dev_match = 0;
int id_match = 0;
int dev_match;
int id_match;
if (dev == NULL || id == NULL)
return clk;
mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, node) {
dev_match = id_match = 0;
if (dev == p->dev)
dev_match++;
if (strcmp(id, p->name) == 0)