scsi: fix operator precedence warning

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From: Linux Kernel Mailing List
Date: Thursday, April 22, 2010 - 6:59 pm

Gitweb:     http://git.kernel.org/linus/1482338f6242dbaea46039c5f1b4604a472b364b
Commit:     1482338f6242dbaea46039c5f1b4604a472b364b
Parent:     c81eddb0e3728661d1585fbc564449c94165cc36
Author:     Randy Dunlap <randy.dunlap@oracle.com>
AuthorDate: Thu Apr 22 11:02:14 2010 -0700
Committer:  Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Apr 22 11:11:02 2010 -0700

    scsi: fix operator precedence warning
    
    Fix operator precedence warning (from sparse), which results in the
    data value always being 0:
    
    drivers/scsi/qla4xxx/ql4_mbx.c:470:66: warning: right shift by bigger than source value
    
    Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
    Acked-by: Ravi Anand <ravi.anand@qlogic.com>
    Cc: David C Somayajulu <david.somayajulu@qlogic.com>
    Cc: Karen Higgins <karen.higgins@qlogic.com>
    Cc: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/qla4xxx/ql4_mbx.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 09d6d4b..caeb7d1 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -467,7 +467,7 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 	if (conn_err_detail)
 		*conn_err_detail = mbox_sts[5];
 	if (tcp_source_port_num)
-		*tcp_source_port_num = (uint16_t) mbox_sts[6] >> 16;
+		*tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
 	if (connection_id)
 		*connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
 	status = QLA_SUCCESS;
--
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scsi: fix operator precedence warning, Linux Kernel Mailing ..., (Thu Apr 22, 6:59 pm)