This patch passes the error code returned by function
alloc_chrdev_region(). It is needed to stop the module
from hiding the actual cause of failure.
Signed-off-by: Christian Gromm <christian.gr...@microchip.com>
---
drivers/staging/most/aim-cdev/cdev.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/most/aim-cdev/cdev.c
b/drivers/staging/most/aim-cdev/cdev.c
index 20e2839..48d97bf 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -507,8 +507,9 @@ static int __init mod_init(void)
spin_lock_init(&ch_list_lock);
ida_init(&minor_id);
- if (alloc_chrdev_region(&aim_devno, 0, 50, "cdev") < 0)
- return -ENOMEM;
+ err = alloc_chrdev_region(&aim_devno, 0, 50, "cdev");
+ if (err < 0)
+ return err;
major = MAJOR(aim_devno);
aim_class = class_create(THIS_MODULE, "most_cdev_aim");
--
1.9.1
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