[SCSI] qla2xxx: Change del_timer_sync() to del_timer() in qla2x00_ctx_sp_free().
authorChad Dupuis <chad.dupuis@qlogic.com>
Fri, 15 Oct 2010 18:27:41 +0000 (11:27 -0700)
committerJames Bottomley <James.Bottomley@suse.de>
Mon, 25 Oct 2010 21:00:08 +0000 (16:00 -0500)
Using del_timer_sync() in the qla2x00_ctx_sp_free() function may cause a kernel
panic as it is not interrupt context safe and qla2x00_ctx_sp_free() may be
called from a softirq context.  Changing the call from del_timer_sync() to
del_timer() will make the function interrupt context safe.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
drivers/scsi/qla2xxx/qla_init.c

index 6ea5376..77c68a7 100644 (file)
@@ -71,7 +71,7 @@ qla2x00_ctx_sp_free(srb_t *sp)
        struct srb_iocb *iocb = ctx->u.iocb_cmd;
        struct scsi_qla_host *vha = sp->fcport->vha;
 
-       del_timer_sync(&iocb->timer);
+       del_timer(&iocb->timer);
        kfree(iocb);
        kfree(ctx);
        mempool_free(sp, sp->fcport->vha->hw->srb_mempool);