diff options
Diffstat (limited to 'arch/m68k/coldfire/clk.c')
| -rw-r--r-- | arch/m68k/coldfire/clk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c index fddfdccae63b..1e3c7e9193d1 100644 --- a/arch/m68k/coldfire/clk.c +++ b/arch/m68k/coldfire/clk.c @@ -101,6 +101,10 @@ EXPORT_SYMBOL(clk_enable); void clk_disable(struct clk *clk) { unsigned long flags; + + if (!clk) + return; + spin_lock_irqsave(&clk_lock, flags); if ((--clk->enabled == 0) && clk->clk_ops) clk->clk_ops->disable(clk); |