cdev_by_name() returns a cdev without increasing its reference count. In order to maintain a proper reference counting use cdev_open_by_name() instead and make sure it's closed afterwards when no longer needed. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/mach-omap/omap_generic.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap/omap_generic.c b/arch/arm/mach-omap/omap_generic.c index 99e14fb540..112c806216 100644 --- a/arch/arm/mach-omap/omap_generic.c +++ b/arch/arm/mach-omap/omap_generic.c @@ -157,13 +157,16 @@ static int omap_env_init(void) device_detect_by_name(diskdev); partname = basprintf("%s.0", diskdev); - cdev = cdev_by_name(partname); + cdev = cdev_open_by_name(partname, O_RDONLY); if (cdev == NULL) { pr_err("Failed to get device %s\n", partname); goto out; } rootpath = cdev_mount_default(cdev, NULL); + + cdev_close(cdev); + if (IS_ERR(rootpath)) { pr_err("Failed to load environment: mount %s failed (%ld)\n", cdev->name, PTR_ERR(rootpath)); -- 2.39.2