diff options
Diffstat (limited to 'sound/oss')
-rw-r--r-- | sound/oss/dev_table.c | 16 | ||||
-rw-r--r-- | sound/oss/sound_config.h | 2 | ||||
-rw-r--r-- | sound/oss/soundcard.c | 4 |
3 files changed, 13 insertions, 9 deletions
diff --git a/sound/oss/dev_table.c b/sound/oss/dev_table.c index 08274c995d06..727bdb9ba2dc 100644 --- a/sound/oss/dev_table.c +++ b/sound/oss/dev_table.c | |||
@@ -67,14 +67,15 @@ int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver, | |||
67 | return -(EBUSY); | 67 | return -(EBUSY); |
68 | } | 68 | } |
69 | d = (struct audio_driver *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_driver))); | 69 | d = (struct audio_driver *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_driver))); |
70 | 70 | sound_nblocks++; | |
71 | if (sound_nblocks < 1024) | 71 | if (sound_nblocks >= MAX_MEM_BLOCKS) |
72 | sound_nblocks++; | 72 | sound_nblocks = MAX_MEM_BLOCKS - 1; |
73 | 73 | ||
74 | op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_operations))); | 74 | op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_operations))); |
75 | sound_nblocks++; | ||
76 | if (sound_nblocks >= MAX_MEM_BLOCKS) | ||
77 | sound_nblocks = MAX_MEM_BLOCKS - 1; | ||
75 | 78 | ||
76 | if (sound_nblocks < 1024) | ||
77 | sound_nblocks++; | ||
78 | if (d == NULL || op == NULL) { | 79 | if (d == NULL || op == NULL) { |
79 | printk(KERN_ERR "Sound: Can't allocate driver for (%s)\n", name); | 80 | printk(KERN_ERR "Sound: Can't allocate driver for (%s)\n", name); |
80 | sound_unload_audiodev(num); | 81 | sound_unload_audiodev(num); |
@@ -128,9 +129,10 @@ int sound_install_mixer(int vers, char *name, struct mixer_operations *driver, | |||
128 | until you unload sound! */ | 129 | until you unload sound! */ |
129 | 130 | ||
130 | op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct mixer_operations))); | 131 | op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct mixer_operations))); |
132 | sound_nblocks++; | ||
133 | if (sound_nblocks >= MAX_MEM_BLOCKS) | ||
134 | sound_nblocks = MAX_MEM_BLOCKS - 1; | ||
131 | 135 | ||
132 | if (sound_nblocks < 1024) | ||
133 | sound_nblocks++; | ||
134 | if (op == NULL) { | 136 | if (op == NULL) { |
135 | printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name); | 137 | printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name); |
136 | return -ENOMEM; | 138 | return -ENOMEM; |
diff --git a/sound/oss/sound_config.h b/sound/oss/sound_config.h index 55271fbe7f49..9d35c4c65b9b 100644 --- a/sound/oss/sound_config.h +++ b/sound/oss/sound_config.h | |||
@@ -142,4 +142,6 @@ static inline int translate_mode(struct file *file) | |||
142 | #define TIMER_ARMED 121234 | 142 | #define TIMER_ARMED 121234 |
143 | #define TIMER_NOT_ARMED 1 | 143 | #define TIMER_NOT_ARMED 1 |
144 | 144 | ||
145 | #define MAX_MEM_BLOCKS 1024 | ||
146 | |||
145 | #endif | 147 | #endif |
diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 6c3267bf05d0..fde7c12fe5da 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c | |||
@@ -56,7 +56,7 @@ | |||
56 | /* | 56 | /* |
57 | * Table for permanently allocated memory (used when unloading the module) | 57 | * Table for permanently allocated memory (used when unloading the module) |
58 | */ | 58 | */ |
59 | void * sound_mem_blocks[1024]; | 59 | void * sound_mem_blocks[MAX_MEM_BLOCKS]; |
60 | int sound_nblocks = 0; | 60 | int sound_nblocks = 0; |
61 | 61 | ||
62 | /* Persistent DMA buffers */ | 62 | /* Persistent DMA buffers */ |
@@ -583,7 +583,7 @@ static int __init oss_init(void) | |||
583 | NULL, "%s%d", dev_list[i].name, j); | 583 | NULL, "%s%d", dev_list[i].name, j); |
584 | } | 584 | } |
585 | 585 | ||
586 | if (sound_nblocks >= 1024) | 586 | if (sound_nblocks >= MAX_MEM_BLOCKS - 1) |
587 | printk(KERN_ERR "Sound warning: Deallocation table was too small.\n"); | 587 | printk(KERN_ERR "Sound warning: Deallocation table was too small.\n"); |
588 | 588 | ||
589 | return 0; | 589 | return 0; |