diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index ffeb60d3434c..4b00d6adcccf 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -765,6 +765,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
 	switch (orig) {
 	case SEEK_CUR:
 		offset += file->f_pos;
+		/* fall through */
 	case SEEK_SET:
 		/* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
 		if ((unsigned long long)offset >= -MAX_ERRNO) {