[PATCH] bus: fsl-mc: Fix test for end of loop

[Dan Carpenter]

The "desc" pointer can't possibly be NULL here.  If we can't find the
correct "desc" then tt points to the last element of the
fsl_mc_accepted_cmds[] array.  Fix this by testing if
"i == FSL_MC_NUM_ACCEPTED_CMDS" instead.

Fixes: 2cf1e703f066 ("bus: fsl-mc: add fsl-mc userspace support")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/bus/fsl-mc/fsl-mc-uapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-uapi.c b/drivers/bus/fsl-mc/fsl-mc-uapi.c
index eeb988c9f4bb..bdcd9d983a78 100644
--- a/drivers/bus/fsl-mc/fsl-mc-uapi.c
+++ b/drivers/bus/fsl-mc/fsl-mc-uapi.c
@@ -338,7 +338,7 @@ static int fsl_mc_command_check(struct fsl_mc_device 
*mc_dev,
                if ((cmdid & desc->cmdid_mask) == desc->cmdid_value)
                        break;
        }
-       if (!desc) {
+       if (i == FSL_MC_NUM_ACCEPTED_CMDS) {
                dev_err(&mc_dev->dev, "MC command 0x%04x: cmdid not 
accepted\n", cmdid);
                return -EACCES;
        }
-- 
2.29.2