drivers/scsi/ncr53c8xx.c: fix warning

drivers/scsi/ncr53c8xx.c: In function 'process_waiting_list':
drivers/scsi/ncr53c8xx.c:8225: warning: suggest parentheses around assignment used as truth value

recently added by

commit 172c122df5186e7cbd413d61757ff90267331002
Author: Harvey Harrison <harvey.harrison@gmail.com>
Date:   Mon Apr 28 16:50:03 2008 -0700

    scsi: fix integer as NULL pointer warnings

Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index ceab4f73caf1dfbaa953d91979ffedc937c7155f..c57c94c0ffd237f1d39b0cf6ea164e737ac11643 100644 (file)
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -8222,7 +8222,7 @@ static void process_waiting_list(struct ncb *np, int sts)
 #ifdef DEBUG_WAITING_LIST
        if (waiting_list) printk("%s: waiting_list=%lx processing sts=%d\n", ncr_name(np), (u_long) waiting_list, sts);
 #endif
-       while (wcmd = waiting_list) {
+       while ((wcmd = waiting_list) != NULL) {
                waiting_list = (struct scsi_cmnd *) wcmd->next_wcmd;
                wcmd->next_wcmd = NULL;
                if (sts == DID_OK) {