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software node: Initialize the return value in software_node_find_by_name()

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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 if the list is empty.

Fixes: 1666faedb5 ("software node: Add software_node_find_by_name()")
Reported-by: kbuild test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Heikki Krogerus <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Heikki Krogerus 2019-08-30 10:51:56 +03:00 • committed by Rafael J. Wysocki
commit 016049a816
1 changed files with 1 additions and 1 deletions
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2
drivers/base/swnode.c
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@ -633,7 +633,7 @@ static const struct fwnode_operations software_node_ops = {
const struct software_node *
software_node_find_by_name(const struct software_node *parent, const char *name)
{
struct swnode *swnode;
struct swnode *swnode = NULL;
struct kobject *k;
if (!name)