* [PATCH] usb: misc: usb3503: Fix logic in usb3503_init()
@ 2021-02-09 11:30 Michal Simek
2021-02-09 11:59 ` Greg Kroah-Hartman
2021-02-09 12:01 ` Johan Hovold
0 siblings, 2 replies; 3+ messages in thread
From: Michal Simek @ 2021-02-09 11:30 UTC (permalink / raw)
To: linux-kernel, monstr, michal.simek, git
Cc: Greg Kroah-Hartman, Paul Cercueil, linux-usb
Based on
https://lore.kernel.org/linux-arm-kernel/YCJv59g3Tq2haDSa@kroah.com/
initialization should fail if any registration fails.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
drivers/usb/misc/usb3503.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
index 48099c6bf04c..3aae83fbebae 100644
--- a/drivers/usb/misc/usb3503.c
+++ b/drivers/usb/misc/usb3503.c
@@ -409,13 +409,17 @@ static int __init usb3503_init(void)
int err;
err = i2c_add_driver(&usb3503_i2c_driver);
- if (err != 0)
+ if (err) {
pr_err("usb3503: Failed to register I2C driver: %d\n", err);
+ return err;
+ }
err = platform_driver_register(&usb3503_platform_driver);
- if (err != 0)
+ if (err) {
pr_err("usb3503: Failed to register platform driver: %d\n",
err);
+ return err;
+ }
return 0;
}
--
2.30.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] usb: misc: usb3503: Fix logic in usb3503_init()
2021-02-09 11:30 [PATCH] usb: misc: usb3503: Fix logic in usb3503_init() Michal Simek
@ 2021-02-09 11:59 ` Greg Kroah-Hartman
2021-02-09 12:01 ` Johan Hovold
1 sibling, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2021-02-09 11:59 UTC (permalink / raw)
To: Michal Simek; +Cc: linux-kernel, monstr, git, Paul Cercueil, linux-usb
On Tue, Feb 09, 2021 at 12:30:42PM +0100, Michal Simek wrote:
> Based on
> https://lore.kernel.org/linux-arm-kernel/YCJv59g3Tq2haDSa@kroah.com/
> initialization should fail if any registration fails.
>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>
> drivers/usb/misc/usb3503.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
> index 48099c6bf04c..3aae83fbebae 100644
> --- a/drivers/usb/misc/usb3503.c
> +++ b/drivers/usb/misc/usb3503.c
> @@ -409,13 +409,17 @@ static int __init usb3503_init(void)
> int err;
>
> err = i2c_add_driver(&usb3503_i2c_driver);
> - if (err != 0)
> + if (err) {
> pr_err("usb3503: Failed to register I2C driver: %d\n", err);
> + return err;
> + }
>
> err = platform_driver_register(&usb3503_platform_driver);
> - if (err != 0)
> + if (err) {
> pr_err("usb3503: Failed to register platform driver: %d\n",
> err);
> + return err;
You just left a i2c driver registered :(
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] usb: misc: usb3503: Fix logic in usb3503_init()
2021-02-09 11:30 [PATCH] usb: misc: usb3503: Fix logic in usb3503_init() Michal Simek
2021-02-09 11:59 ` Greg Kroah-Hartman
@ 2021-02-09 12:01 ` Johan Hovold
1 sibling, 0 replies; 3+ messages in thread
From: Johan Hovold @ 2021-02-09 12:01 UTC (permalink / raw)
To: Michal Simek
Cc: linux-kernel, monstr, git, Greg Kroah-Hartman, Paul Cercueil, linux-usb
On Tue, Feb 09, 2021 at 12:30:42PM +0100, Michal Simek wrote:
> Based on
> https://lore.kernel.org/linux-arm-kernel/YCJv59g3Tq2haDSa@kroah.com/
> initialization should fail if any registration fails.
>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>
> drivers/usb/misc/usb3503.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
> index 48099c6bf04c..3aae83fbebae 100644
> --- a/drivers/usb/misc/usb3503.c
> +++ b/drivers/usb/misc/usb3503.c
> @@ -409,13 +409,17 @@ static int __init usb3503_init(void)
> int err;
>
> err = i2c_add_driver(&usb3503_i2c_driver);
> - if (err != 0)
> + if (err) {
> pr_err("usb3503: Failed to register I2C driver: %d\n", err);
> + return err;
> + }
>
> err = platform_driver_register(&usb3503_platform_driver);
> - if (err != 0)
> + if (err) {
> pr_err("usb3503: Failed to register platform driver: %d\n",
> err);
You forgot to deregister the i2c driver.
> + return err;
> + }
>
> return 0;
> }
Johan
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-02-09 12:04 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-02-09 11:30 [PATCH] usb: misc: usb3503: Fix logic in usb3503_init() Michal Simek
2021-02-09 11:59 ` Greg Kroah-Hartman
2021-02-09 12:01 ` Johan Hovold
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