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Call bus_teardown_intr when csa_attach fails after the interrupt has

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been set up.

PR:		kern/28178
Reviewed by:	cg
MFC after:	2 weeks
This commit is contained in:
Thomas Moestl 2001-06-18 18:36:34 +00:00
parent 75328eca8d
commit 916076fefc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=78421
1 changed files with 29 additions and 31 deletions
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60
sys/dev/sound/pci/csa.c
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@ -241,6 +241,7 @@ csa_attach(device_t dev)
sc_p scp;
csa_res *resp;
struct sndcard_func *func;
int error = ENXIO;
scp = device_get_softc(dev);
@ -266,55 +267,40 @@ csa_attach(device_t dev)
return (ENXIO);
resp->mem_rid = PCIR_MAPS + 4;
resp->mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &resp->mem_rid, 0, ~0, 1, RF_ACTIVE);
if (resp->mem == NULL) {
bus_release_resource(dev, SYS_RES_MEMORY, resp->io_rid, resp->io);
return (ENXIO);
}
if (resp->mem == NULL)
goto err_io;
resp->irq_rid = 0;
resp->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &resp->irq_rid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (resp->irq == NULL) {
bus_release_resource(dev, SYS_RES_MEMORY, resp->io_rid, resp->io);
bus_release_resource(dev, SYS_RES_MEMORY, resp->mem_rid, resp->mem);
return (ENXIO);
}
if (resp->irq == NULL)
goto err_mem;
/* Enable interrupt. */
if (snd_setup_intr(dev, resp->irq, INTR_MPSAFE, csa_intr, scp, &scp->ih)) {
bus_release_resource(dev, SYS_RES_MEMORY, resp->io_rid, resp->io);
bus_release_resource(dev, SYS_RES_MEMORY, resp->mem_rid, resp->mem);
bus_release_resource(dev, SYS_RES_IRQ, resp->irq_rid, resp->irq);
return (ENXIO);
}
if (snd_setup_intr(dev, resp->irq, INTR_MPSAFE, csa_intr, scp, &scp->ih))
goto err_intr;
#if 0
if ((csa_readio(resp, BA0_HISR) & HISR_INTENA) == 0)
csa_writeio(resp, BA0_HICR, HICR_IEV | HICR_CHGM);
#endif
/* Initialize the chip. */
if (csa_initialize(scp)) {
bus_release_resource(dev, SYS_RES_MEMORY, resp->io_rid, resp->io);
bus_release_resource(dev, SYS_RES_MEMORY, resp->mem_rid, resp->mem);
bus_release_resource(dev, SYS_RES_IRQ, resp->irq_rid, resp->irq);
return (ENXIO);
}
if (csa_initialize(scp))
goto err_teardown;
/* Reset the Processor. */
csa_resetdsp(resp);
/* Download the Processor Image to the processor. */
if (csa_downloadimage(resp)) {
bus_release_resource(dev, SYS_RES_MEMORY, resp->io_rid, resp->io);
bus_release_resource(dev, SYS_RES_MEMORY, resp->mem_rid, resp->mem);
bus_release_resource(dev, SYS_RES_IRQ, resp->irq_rid, resp->irq);
return (ENXIO);
}
if (csa_downloadimage(resp))
goto err_teardown;
/* Attach the children. */
/* PCM Audio */
func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
if (func == NULL)
return (ENOMEM);
if (func == NULL) {
error = ENOMEM;
goto err_teardown;
}
bzero(func, sizeof(*func));
func->varinfo = &scp->binfo;
func->func = SCF_PCM;
@ -323,8 +309,10 @@ csa_attach(device_t dev)
/* Midi Interface */
func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
if (func == NULL)
return (ENOMEM);
if (func == NULL) {
error = ENOMEM;
goto err_teardown;
}
bzero(func, sizeof(*func));
func->varinfo = &scp->binfo;
func->func = SCF_MIDI;
@ -334,6 +322,16 @@ csa_attach(device_t dev)
bus_generic_attach(dev);
return (0);
err_teardown:
bus_teardown_intr(dev, resp->irq, scp->ih);
err_intr:
bus_release_resource(dev, SYS_RES_IRQ, resp->irq_rid, resp->irq);
err_mem:
bus_release_resource(dev, SYS_RES_MEMORY, resp->mem_rid, resp->mem);
err_io:
bus_release_resource(dev, SYS_RES_MEMORY, resp->io_rid, resp->io);
return (error);
}
static int