Buffer is a pointer to the static char array event_buffer and therefore
can never be null, so the check is redundant. Remove it.
Detected by CoverityScan, CID#
1077556 ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 
                spin_lock_irqsave(&event_buffer_lock, flags);
 
-               if (buffer == NULL) {
-                       spin_unlock_irqrestore(&event_buffer_lock, flags);
-                       return -1;
-               }
-
                memset(buffer, 0, buflen);
 
                /*