| Message ID | 4ae929dc31c170252154352d04e89c8456d91ca3.1612870239.git.michal.simek@xilinx.com |
|---|---|
| State | New |
| Headers | show |
| Series | usb: misc: usb3503: Fix logic in usb3503_init() | expand |
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 :(
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
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; }
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(-)