From: Ye Bin yebin10@huawei.com
commit f4307b4df1c28842bb1950ff0e1b97e17031b17f upstream.
In __mmc_test_register_dbgfs_file(), we need to assign 'file', as it's being used when removing the debugfs files when the mmc_test module is removed.
Fixes: a04c50aaa916 ("mmc: core: no need to check return value of debugfs_create functions") Signed-off-by: Ye Bin yebin10@huawei.com Acked-by: Adrian Hunter adrian.hunter@intel.com Cc: stable@vger.kernel.org [Ulf: Re-wrote the commit msg] Link: https://lore.kernel.org/r/20221123095506.1965691-1-yebin@huaweicloud.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/core/mmc_test.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -3195,7 +3195,8 @@ static int __mmc_test_register_dbgfs_fil struct mmc_test_dbgfs_file *df;
if (card->debugfs_root) - debugfs_create_file(name, mode, card->debugfs_root, card, fops); + file = debugfs_create_file(name, mode, card->debugfs_root, + card, fops);
df = kmalloc(sizeof(*df), GFP_KERNEL); if (!df) {