[PATCH v2 4/9] qla2xxx: Initialize 'n' before using it

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The following code:
	qla82xx_rom_fast_read(ha, 0, &n)
only initializes 'n' if it succeeds. Since 'n' may be reported in a debug
message even if no ROM reads succeeded, initialize 'n' to zero.

This patch fixes the following sparse warning:

qla_nx.c:1218: qla82xx_pinit_from_rom() error: uninitialized symbol 'n'.

Reviewed-by: Daniel Wagner <dwagner@xxxxxxx>
Reviewed-by: Shyam Sundar <ssundar@xxxxxxxxxxx>
Cc: Nilesh Javali <njavali@xxxxxxxxxxx>
Cc: Quinn Tran <qutran@xxxxxxxxxxx>
Cc: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Cc: Martin Wilck <mwilck@xxxxxxxx>
Cc: Roman Bolshakov <r.bolshakov@xxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
 drivers/scsi/qla2xxx/qla_nx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index ff365b434a02..71273eb634d3 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -1167,6 +1167,7 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
 	 * Offset 4: Offset and number of addr/value pairs
 	 * that present in CRB initialize sequence
 	 */
+	n = 0;
 	if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
 	    qla82xx_rom_fast_read(ha, 4, &n) != 0) {
 		ql_log(ql_log_fatal, vha, 0x006e,



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