* [PATCH] mailbox: mailbox-test: Fix a potential Oops on allocation failure
@ 2020-06-03 10:33 Dan Carpenter
2020-06-04 7:41 ` Lee Jones
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2020-06-03 10:33 UTC (permalink / raw)
To: Jassi Brar; +Cc: Lee Jones, linux-kernel, kernel-janitors
The callers are expecting NULL on error so if we return an error pointer
it eventually results in an Oops.
Fixes: 8ea4484d0c2b ("mailbox: Add generic mechanism for testing Mailbox Controllers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/mailbox/mailbox-test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index 4555d678fadda..51640a7999e6b 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -327,7 +327,7 @@ mbox_test_request_channel(struct platform_device *pdev, const char *name)
client = devm_kzalloc(&pdev->dev, sizeof(*client), GFP_KERNEL);
if (!client)
- return ERR_PTR(-ENOMEM);
+ return NULL;
client->dev = &pdev->dev;
client->rx_callback = mbox_test_receive_message;
--
2.26.2
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] mailbox: mailbox-test: Fix a potential Oops on allocation failure
2020-06-03 10:33 [PATCH] mailbox: mailbox-test: Fix a potential Oops on allocation failure Dan Carpenter
@ 2020-06-04 7:41 ` Lee Jones
0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2020-06-04 7:41 UTC (permalink / raw)
To: Dan Carpenter; +Cc: Jassi Brar, linux-kernel, kernel-janitors
On Wed, 03 Jun 2020, Dan Carpenter wrote:
> The callers are expecting NULL on error so if we return an error pointer
> it eventually results in an Oops.
>
> Fixes: 8ea4484d0c2b ("mailbox: Add generic mechanism for testing Mailbox Controllers")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> drivers/mailbox/mailbox-test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Lee Jones <lee.jones@linaro.org>
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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2020-06-04 7:41 ` Lee Jones
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