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software node: Initialize the return value in software_node_to_swnode()

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The software node is searched from a list that may be empty
when the function is called. This makes sure that the
function returns NULL even if the list is empty.

Fixes: 80488a6b1d ("software node: Add support for static node descriptors")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Heikki Krogerus 2019-08-30 10:51:55 +03:00 committed by Rafael J. Wysocki
parent 3a2650a878
commit 616368735e
1 changed files with 1 additions and 1 deletions
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2
drivers/base/swnode.c
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@ -51,7 +51,7 @@ EXPORT_SYMBOL_GPL(is_software_node);
static struct swnode *
software_node_to_swnode(const struct software_node *node)
{
struct swnode *swnode;
struct swnode *swnode = NULL;
struct kobject *k;
if (!node)