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reset: core: fix reset_control_put

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commit 4891486fb2 upstream.

Commit "reset: make optional functions really optional" missed to
adjust one check in reset_control_put, causing a NULL pointer
access for optional resets.

Fixes: bb475230b8 "reset: make optional functions really optional"
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heiner Kallweit 2017-02-01 08:05:22 +01:00 committed by Greg Kroah-Hartman
parent ca58e3b2fc
commit d4b89ecc29
1 changed files with 1 additions and 1 deletions
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2
drivers/reset/core.c
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@ -358,7 +358,7 @@ EXPORT_SYMBOL_GPL(__of_reset_control_get);
void reset_control_put(struct reset_control *rstc)
{
if (IS_ERR(rstc))
if (IS_ERR_OR_NULL(rstc))
return;
mutex_lock(&reset_list_mutex);