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Diffstat (limited to 'sound/oss/wavfront.c')
-rw-r--r--sound/oss/wavfront.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/sound/oss/wavfront.c b/sound/oss/wavfront.c
index b92ba8921638..b1a4eeb9dc08 100644
--- a/sound/oss/wavfront.c
+++ b/sound/oss/wavfront.c
@@ -2434,7 +2434,7 @@ static int __init detect_wavefront (int irq, int io_base)
consumes 16.
*/
- if (check_region (io_base, 16)) {
+ if (!request_region (io_base, 16, "wavfront")) {
printk (KERN_ERR LOGNAME "IO address range 0x%x - 0x%x "
"already in use - ignored\n", dev.base,
dev.base+15);
@@ -2466,10 +2466,13 @@ static int __init detect_wavefront (int irq, int io_base)
} else {
printk (KERN_WARNING LOGNAME "not raw, but no "
"hardware version!\n");
+ release_region (io_base, 16);
return 0;
}
if (!wf_raw) {
+ /* will re-acquire region in install_wavefront() */
+ release_region (io_base, 16);
return 1;
} else {
printk (KERN_INFO LOGNAME
@@ -2489,6 +2492,7 @@ static int __init detect_wavefront (int irq, int io_base)
if (wavefront_hw_reset ()) {
printk (KERN_WARNING LOGNAME "hardware reset failed\n");
+ release_region (io_base, 16);
return 0;
}
@@ -2496,6 +2500,8 @@ static int __init detect_wavefront (int irq, int io_base)
dev.has_fx = (detect_wffx () == 0);
+ /* will re-acquire region in install_wavefront() */
+ release_region (io_base, 16);
return 1;
}
@@ -2804,17 +2810,27 @@ static int __init wavefront_init (int atboot)
}
static int __init install_wavefront (void)
-
{
+ if (!request_region (dev.base+2, 6, "wavefront synth"))
+ return -1;
+
+ if (dev.has_fx) {
+ if (!request_region (dev.base+8, 8, "wavefront fx")) {
+ release_region (dev.base+2, 6);
+ return -1;
+ }
+ }
+
if ((dev.synth_dev = register_sound_synth (&wavefront_fops, -1)) < 0) {
printk (KERN_ERR LOGNAME "cannot register raw synth\n");
- return -1;
+ goto err_out;
}
#if OSS_SUPPORT_LEVEL & OSS_SUPPORT_SEQ
if ((dev.oss_dev = sound_alloc_synthdev()) == -1) {
printk (KERN_ERR LOGNAME "Too many sequencers\n");
- return -1;
+ /* FIXME: leak: should unregister sound synth */
+ goto err_out;
} else {
synth_devs[dev.oss_dev] = &wavefront_operations;
}
@@ -2827,20 +2843,20 @@ static int __init install_wavefront (void)
sound_unload_synthdev (dev.oss_dev);
#endif /* OSS_SUPPORT_SEQ */
- return -1;
+ goto err_out;
}
- request_region (dev.base+2, 6, "wavefront synth");
-
- if (dev.has_fx) {
- request_region (dev.base+8, 8, "wavefront fx");
- }
-
if (wavefront_config_midi ()) {
printk (KERN_WARNING LOGNAME "could not initialize MIDI.\n");
}
return dev.oss_dev;
+
+err_out:
+ release_region (dev.base+2, 6);
+ if (dev.has_fx)
+ release_region (dev.base+8, 8);
+ return -1;
}
static void __exit uninstall_wavefront (void)