From: kernel test robot <lkp(a)intel.com&gt; kernel/printk/printk.c:2195:5-8: Unneeded variable: "ret". Return "- ENOMEM" on line 2300 Remove unneeded variable used to store return value. Generated by: scripts/coccinelle/misc/returnvar.cocci Fixes: 44b90e30fdd3 ("printk: move console printing to kthreads") CC: John Ogness <john.ogness(a)linutronix.de&gt; Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.12.y-rt-rebase head: 2664a7f5d3d24da4b2657a1e933181d376b77616 commit: 44b90e30fdd3fbb4997b8d75679816678214efb5 [32/193] printk: move console printing to kthreads printk.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2192,7 +2192,6 @@ static int printk_kthread_func(void *dat struct printk_record r; char *ext_text = NULL; size_t dropped_len; - int ret = -ENOMEM; char *text = NULL; char *write_text; size_t len; @@ -2297,7 +2296,7 @@ out: pr_info("%sconsole [%s%d]: printing thread stopped\n", (con->flags & CON_BOOT) ? "boot" : "", con->name, con->index); - return ret; + return -ENOMEM; } /* Must be called within console_lock(). */