mmc: block: propagate correct returned value in mmc_rpmb_ioctl

In commit 97548575bef3 ("mmc: block: Convert RPMB to a character device") a
new function `mmc_rpmb_ioctl` was added. The final return is simply
returning a value of `0` instead of propagating the correct return code.

Discovered during a compilation with W=1, silence the following gcc warning

drivers/mmc/core/block.c:2470:6: warning: variable ‘ret’ set but not used
[-Wunused-but-set-variable]

Signed-off-by: Mathieu Malaterre <[email protected]>
Reviewed-by: Shawn Lin <[email protected]>
Fixes: 97548575bef3 ("mmc: block: Convert RPMB to a character device")
Cc: [email protected] # v4.15+
Signed-off-by: Ulf Hansson <[email protected]>

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 9e923cd1d80ebee9c96d70aceabb87b2a0935581..38a7586b00ccafd6bb0eed4307f9a40f91fee90a 100644 (file)
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2485,7 +2485,7 @@ static long mmc_rpmb_ioctl(struct file *filp, unsigned int cmd,
                break;
        }
 
-       return 0;
+       return ret;
 }
 
 #ifdef CONFIG_COMPAT