5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Yuan Can yuancan@huawei.com
[ Upstream commit 3b88a9876779b55478a4dde867e73f7a100ffa23 ]
The wfx_core_init() returns without checking the retval from sdio_register_driver(). If the sdio_register_driver() failed, the module failed to install, leaving the wfx_spi_driver not unregistered.
Fixes: a7a91ca5a23d ("staging: wfx: add infrastructure for new driver") Signed-off-by: Yuan Can yuancan@huawei.com Reviewed-by: Jérôme Pouiller jerome.pouiller@silabs.com Signed-off-by: Kalle Valo kvalo@kernel.org Link: https://patch.msgid.link/20241022090453.84679-1-yuancan@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/wfx/main.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c index 9ff69c5e0ae97..9849d0998a636 100644 --- a/drivers/staging/wfx/main.c +++ b/drivers/staging/wfx/main.c @@ -476,10 +476,23 @@ static int __init wfx_core_init(void) { int ret = 0;
- if (IS_ENABLED(CONFIG_SPI)) + if (IS_ENABLED(CONFIG_SPI)) { ret = spi_register_driver(&wfx_spi_driver); - if (IS_ENABLED(CONFIG_MMC) && !ret) + if (ret) + goto out; + } + if (IS_ENABLED(CONFIG_MMC)) { ret = sdio_register_driver(&wfx_sdio_driver); + if (ret) + goto unregister_spi; + } + + return 0; + +unregister_spi: + if (IS_ENABLED(CONFIG_SPI)) + spi_unregister_driver(&wfx_spi_driver); +out: return ret; } module_init(wfx_core_init);