diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-26 17:48:49 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 17:48:49 +0200 |
| commit | c3cc99ff5d24e2eeaf7ec2032e720681916990e3 (patch) | |
| tree | c3e74171bbbd2adde9d60b9db1c440415c8d2831 /drivers/ide/ide-disk.c | |
| parent | 38ffbe66d59051fd9cfcfc8545f164700e2fa3bc (diff) | |
| parent | 024e8ac04453b3525448c31ef39848cf675ba6db (diff) | |
Merge branch 'linus' into x86/xen
Diffstat (limited to 'drivers/ide/ide-disk.c')
| -rw-r--r-- | drivers/ide/ide-disk.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index df5fe5756871..28d85b410f7c 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -56,23 +56,29 @@ static DEFINE_MUTEX(idedisk_ref_mutex); #define ide_disk_g(disk) \ container_of((disk)->private_data, struct ide_disk_obj, driver) +static void ide_disk_release(struct kref *); + static struct ide_disk_obj *ide_disk_get(struct gendisk *disk) { struct ide_disk_obj *idkp = NULL; mutex_lock(&idedisk_ref_mutex); idkp = ide_disk_g(disk); - if (idkp) + if (idkp) { kref_get(&idkp->kref); + if (ide_device_get(idkp->drive)) { + kref_put(&idkp->kref, ide_disk_release); + idkp = NULL; + } + } mutex_unlock(&idedisk_ref_mutex); return idkp; } -static void ide_disk_release(struct kref *); - static void ide_disk_put(struct ide_disk_obj *idkp) { mutex_lock(&idedisk_ref_mutex); + ide_device_put(idkp->drive); kref_put(&idkp->kref, ide_disk_release); mutex_unlock(&idedisk_ref_mutex); } |