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authorMadhuranath Iyengar <madhuranath.iyengar@qlogic.com>2010-07-23 15:28:24 +0500
committerJames Bottomley <James.Bottomley@suse.de>2010-07-28 09:06:08 -0500
commit2f0f3f4f06f7cfadebf58b70bd9e7f71d8fd96e4 (patch)
treea830ea66f0f4aca7da0e915d30dca8c1be6cfe28 /drivers/scsi/qla2xxx/qla_bsg.c
parentd94d10e7277069801b4e31b40770314a8421f996 (diff)
[SCSI] qla2xxx: Appropriately log FCP priority data messages
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c36
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 20eaa1c42ae..d551ae19d4e 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -41,13 +41,28 @@ qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
int i, ret, num_valid;
uint8_t *bcode;
struct qla_fcp_prio_entry *pri_entry;
+ uint32_t *bcode_val_ptr, bcode_val;
ret = 1;
num_valid = 0;
bcode = (uint8_t *)pri_cfg;
+ bcode_val_ptr = (uint32_t *)pri_cfg;
+ bcode_val = (uint32_t)(*bcode_val_ptr);
- if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' ||
- bcode[0x3] != 'S') {
+ if (bcode_val == 0xFFFFFFFF) {
+ /* No FCP Priority config data in flash */
+ DEBUG2(printk(KERN_INFO
+ "%s: No FCP priority config data.\n",
+ __func__));
+ return 0;
+ }
+
+ if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
+ bcode[3] != 'S') {
+ /* Invalid FCP priority data header*/
+ DEBUG2(printk(KERN_ERR
+ "%s: Invalid FCP Priority data header. bcode=0x%x\n",
+ __func__, bcode_val));
return 0;
}
if (flag != 1)
@@ -60,8 +75,18 @@ qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
pri_entry++;
}
- if (num_valid == 0)
+ if (num_valid == 0) {
+ /* No valid FCP priority data entries */
+ DEBUG2(printk(KERN_ERR
+ "%s: No valid FCP Priority data entries.\n",
+ __func__));
ret = 0;
+ } else {
+ /* FCP priority data is valid */
+ DEBUG2(printk(KERN_INFO
+ "%s: Valid FCP priority data. num entries = %d\n",
+ __func__, num_valid));
+ }
return ret;
}
@@ -78,6 +103,11 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
bsg_job->reply->reply_payload_rcv_len = 0;
+ if (!IS_QLA24XX_TYPE(ha) || !IS_QLA25XX(ha)) {
+ ret = -EINVAL;
+ goto exit_fcp_prio_cfg;
+ }
+
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {