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Correctly initialize free_ccbq so that if we fail to attach (as is

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possible for some systems where the device is there, but the BIOS
hasn't allocated memory resources for it), we don't panic.

Submitted by:	 Gerard Roudier
This commit is contained in:
mjacob 2001-04-09 05:41:41 +00:00
parent c86966a7ca
commit 49215b31ce
1 changed files with 8 additions and 9 deletions
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17
sys/dev/sym/sym_hipd.c
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@ -9136,6 +9136,14 @@ sym_pci_attach2(pcici_t pci_tag, int unit)
*/
snprintf(np->inst_name, sizeof(np->inst_name), "sym%d", np->unit);
/*
* Initialyze the CCB free and busy queues.
*/
sym_que_init(&np->free_ccbq);
sym_que_init(&np->busy_ccbq);
sym_que_init(&np->comp_ccbq);
sym_que_init(&np->cam_ccbq);
/*
* Allocate a tag for the DMA of user data.
*/
@ -9371,20 +9379,11 @@ sym_pci_attach2(pcici_t pci_tag, int unit)
goto attach_failed;
/*
* Initialyze the CCB free and busy queues.
* Allocate some CCB. We need at least ONE.
*/
sym_que_init(&np->free_ccbq);
sym_que_init(&np->busy_ccbq);
sym_que_init(&np->comp_ccbq);
if (!sym_alloc_ccb(np))
goto attach_failed;
/*
* Initialyze the CAM CCB pending queue.
*/
sym_que_init(&np->cam_ccbq);
/*
* Calculate BUS addresses where we are going
* to load the SCRIPTS.