Messages in this thread Patch in this message | | | From | Steven Price <> | Subject | [PATCH] firmware: arm_scmi: Fix leak in scmi_mailbox_check | Date | Mon, 25 Mar 2019 17:37:22 +0000 |
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of_parse_phandle_with_args() requires the caller to call of_node_put() on the returned args->np pointer. Otherwise the reference count will remain incremented.
However, in this case, since we don't actually use the returned pointer, we can simply pass in NULL.
Fixes: aa4f886f3893f ("firmware: arm_scmi: add basic driver infrastructure for SCMI") Signed-off-by: Steven Price <steven.price@arm.com> --- drivers/firmware/arm_scmi/driver.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 8f952f2f1a29..dd967d675c08 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -654,9 +654,7 @@ static int scmi_xfer_info_init(struct scmi_info *sinfo) static int scmi_mailbox_check(struct device_node *np) { - struct of_phandle_args arg; - - return of_parse_phandle_with_args(np, "mboxes", "#mbox-cells", 0, &arg); + return of_parse_phandle_with_args(np, "mboxes", "#mbox-cells", 0, NULL); } static int scmi_mbox_free_channel(int id, void *p, void *data) -- 2.20.1
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