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m68knommu: updates for v5.12

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- NULL clk parameter check in clk_enable()
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Merge tag 'm68knommu-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu update from Greg Ungerer:
 "Only a single change. NULL parameter check in the local ColdFire
  clocking code"

* tag 'm68knommu-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: let clk_enable() return immediately if clk is NULL
This commit is contained in:
Linus Torvalds 2021-02-26 10:17:11 -08:00
commit a422ce5bb3
1 changed files with 4 additions and 0 deletions
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4
arch/m68k/coldfire/clk.c
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@ -90,6 +90,10 @@ EXPORT_SYMBOL(clk_get);
int clk_enable(struct clk *clk)
{
unsigned long flags;
if (!clk)
return -EINVAL;
spin_lock_irqsave(&clk_lock, flags);
if ((clk->enabled++ == 0) && clk->clk_ops)
clk->clk_ops->enable(clk);