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[SCSI] qla2xxx: Always serialize mailbox command execution.
authorAndrew Vasquez <andrew.vasquez@qlogic.com>
Thu, 22 Jan 2009 17:45:31 +0000 (09:45 -0800)
committerJames Bottomley <James.Bottomley@HansenPartnership.com>
Sun, 25 Jan 2009 13:56:52 +0000 (07:56 -0600)
commit8eca3f39c4b11320787f7b216f63214aee8415a9
tree10eeba2d46c10cb3744adb6360662aabbc9cedcftree | snapshot (tar.gz zip)
parent09ff36d30c27ee23b50ffb419c80a0aaef1db4a0commit | diff
[SCSI] qla2xxx: Always serialize mailbox command execution.

Original code would incorrectly bypass serialization if the DPC
thread were performing a big-hammer operation (ISP abort).  This
short circuit, though rare, would subsequently stomp on a
secondary thread's mailbox command execution.  Found during
ISP81XX testing.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
drivers/scsi/qla2xxx/qla_mbx.c diff | blob | blame | history