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* [PATCH] ssb: Fix error return in ssb_bus_scan()
@ 2020-10-21  7:33 Jing Xiangfeng
  2020-10-21 16:47 ` Larry Finger
  0 siblings, 1 reply; 2+ messages in thread
From: Jing Xiangfeng @ 2020-10-21  7:33 UTC (permalink / raw)
  To: m; +Cc: linux-wireless, linux-kernel, jingxiangfeng

Fix to return error code -EINVAL from the error handling case instead
of 0.

Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
---
 drivers/ssb/scan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index f49ab1aa2149..4161e5d1f276 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -325,6 +325,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
 	if (bus->nr_devices > ARRAY_SIZE(bus->devices)) {
 		pr_err("More than %d ssb cores found (%d)\n",
 		       SSB_MAX_NR_CORES, bus->nr_devices);
+		err = -EINVAL;
 		goto err_unmap;
 	}
 	if (bus->bustype == SSB_BUSTYPE_SSB) {
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] ssb: Fix error return in ssb_bus_scan()
  2020-10-21  7:33 [PATCH] ssb: Fix error return in ssb_bus_scan() Jing Xiangfeng
@ 2020-10-21 16:47 ` Larry Finger
  0 siblings, 0 replies; 2+ messages in thread
From: Larry Finger @ 2020-10-21 16:47 UTC (permalink / raw)
  To: Jing Xiangfeng, m; +Cc: linux-wireless, linux-kernel

On 10/21/20 2:33 AM, Jing Xiangfeng wrote:
> Fix to return error code -EINVAL from the error handling case instead
> of 0.
> 
> Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
> ---
>   drivers/ssb/scan.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
> index f49ab1aa2149..4161e5d1f276 100644
> --- a/drivers/ssb/scan.c
> +++ b/drivers/ssb/scan.c
> @@ -325,6 +325,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
>   	if (bus->nr_devices > ARRAY_SIZE(bus->devices)) {
>   		pr_err("More than %d ssb cores found (%d)\n",
>   		       SSB_MAX_NR_CORES, bus->nr_devices);
> +		err = -EINVAL;
>   		goto err_unmap;
>   	}
>   	if (bus->bustype == SSB_BUSTYPE_SSB) {
> 

You misread the code. The current version is returning -ENOMEM, not 0 for this 
error. Returning -EINVAL could be regarded as as better value; however, this 
error is not likely to appear and it does not make much difference!

In any case, the commit message is wrong. NACK.

Larry


^ permalink raw reply	[flat|nested] 2+ messages in thread

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