diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-01-23 18:51:57 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-02-09 13:00:40 +0000 |
| commit | 7d8e4c98d13b6b54655140d6b6a6a17fbc9b32f1 (patch) | |
| tree | 689e1ff532ec2a66606f68e8a500bd3a1854772e | |
| parent | 26291c54e111ff6ba87a164d85d4a4e134b7315c (diff) | |
staging: fbtft: Fix error path in fbtft_driver_module_init()
If registering the platform driver fails, the function must not return
without undoing the spi driver registration first.
Fixes: c296d5f9957c ("staging: fbtft: core support")
Link: https://lore.kernel.org/r/20220118181338.207943-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/staging/fbtft/fbtft.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h index 4cdec34e23d2..55677efc0138 100644 --- a/drivers/staging/fbtft/fbtft.h +++ b/drivers/staging/fbtft/fbtft.h @@ -334,7 +334,10 @@ static int __init fbtft_driver_module_init(void) \ ret = spi_register_driver(&fbtft_driver_spi_driver); \ if (ret < 0) \ return ret; \ - return platform_driver_register(&fbtft_driver_platform_driver); \ + ret = platform_driver_register(&fbtft_driver_platform_driver); \ + if (ret < 0) \ + spi_unregister_driver(&fbtft_driver_spi_driver); \ + return ret; \ } \ \ static void __exit fbtft_driver_module_exit(void) \ |