diff options
Diffstat (limited to 'sound/firewire/iso-resources.c')
| -rw-r--r-- | sound/firewire/iso-resources.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sound/firewire/iso-resources.c b/sound/firewire/iso-resources.c index 6f2b5f8651f..775dbd5f344 100644 --- a/sound/firewire/iso-resources.c +++ b/sound/firewire/iso-resources.c @@ -11,6 +11,7 @@ #include <linux/jiffies.h> #include <linux/mutex.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include "iso-resources.h" @@ -22,12 +23,18 @@ * If the device does not support all channel numbers, change @r->channels_mask * after calling this function. */ -void fw_iso_resources_init(struct fw_iso_resources *r, struct fw_unit *unit) +int fw_iso_resources_init(struct fw_iso_resources *r, struct fw_unit *unit) { + r->buffer = kmalloc(2 * 4, GFP_KERNEL); + if (!r->buffer) + return -ENOMEM; + r->channels_mask = ~0uLL; r->unit = fw_unit_get(unit); mutex_init(&r->mutex); r->allocated = false; + + return 0; } /** @@ -37,6 +44,7 @@ void fw_iso_resources_init(struct fw_iso_resources *r, struct fw_unit *unit) void fw_iso_resources_destroy(struct fw_iso_resources *r) { WARN_ON(r->allocated); + kfree(r->buffer); mutex_destroy(&r->mutex); fw_unit_put(r->unit); } |