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[SCSI] qla2xxx: Fix qla2xxx_check_risc_status().

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Change the 'rval' variable from QLA_FUNCTION_TIMEOUT into QLA_SUCCESS
before starting a loop that is only executed if rval is initialized
to QLA_SUCCESS. Coverity reported that loop as "dead code".

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Bart Van Assche 2013-06-25 11:27:29 -04:00 committed by James Bottomley
parent 6ec6f9094a
commit b2ec76c592
1 changed files with 1 additions and 0 deletions
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drivers/scsi/qla2xxx/qla_isr.c
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@ -2485,6 +2485,7 @@ qla2xxx_check_risc_status(scsi_qla_host_t *vha)
if (rval == QLA_SUCCESS)
goto next_test;
rval = QLA_SUCCESS;
WRT_REG_DWORD(&reg->iobase_window, 0x0003);
for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
rval == QLA_SUCCESS; cnt--) {