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[SCSI] qla4xxx: Fail probe_adapter if IRQ allocation fails

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If IRQ allocation fails, it means system has run out of interrupt
vectors, so fail probe_adapter in case of IRQ allocation failure
and dont retry adapter initialization.

Signed-off-by: Poornima Vonti <[email protected]>
Signed-off-by: Vikas Chaudhary <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
Poornima Vonti 2012-09-20 07:35:07 -04:00 • committed by James Bottomley
commit 7977f825a0
1 changed files with 6 additions and 0 deletions
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6
drivers/scsi/qla4xxx/ql4_os.c
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@ -5240,6 +5240,11 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
* NOTE: interrupts enabled upon successful completion
*/
status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
/* Dont retry adapter initialization if IRQ allocation failed */
if (!test_bit(AF_IRQ_ATTACHED, &ha->flags))
goto skip_retry_init;
while ((!test_bit(AF_ONLINE, &ha->flags)) &&
init_retry_count++ < MAX_INIT_RETRIES) {
@ -5264,6 +5269,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
}
skip_retry_init:
if (!test_bit(AF_ONLINE, &ha->flags)) {
ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");