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| author | FUJITA Tomonori <tomof@acm.org> | 2008-01-25 23:25:14 +0900 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-30 13:14:25 -0600 |
| commit | 3d9dd6eef888658d26ebea0cc24d15d2a93ab015 (patch) | |
| tree | f3882779400f1ac10469e3f76ea544408712c1b2 /drivers/scsi | |
| parent | b172b6e99e948b6abb180082cfeb8f9b1450ebff (diff) | |
| download | kernel_samsung_smdk4412-3d9dd6eef888658d26ebea0cc24d15d2a93ab015.zip kernel_samsung_smdk4412-3d9dd6eef888658d26ebea0cc24d15d2a93ab015.tar.gz kernel_samsung_smdk4412-3d9dd6eef888658d26ebea0cc24d15d2a93ab015.tar.bz2 | |
[SCSI] handle scsi_init_queue failure properly
scsi_init_queue is expected to clean up allocated things when it
fails.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 7bfec7e..b12fb31 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1682,7 +1682,7 @@ int __init scsi_init_queue(void) 0, 0, NULL); if (!scsi_bidi_sdb_cache) { printk(KERN_ERR "SCSI: can't init scsi bidi sdb cache\n"); - return -ENOMEM; + goto cleanup_io_context; } for (i = 0; i < SG_MEMPOOL_NR; i++) { @@ -1694,6 +1694,7 @@ int __init scsi_init_queue(void) if (!sgp->slab) { printk(KERN_ERR "SCSI: can't init sg slab %s\n", sgp->name); + goto cleanup_bidi_sdb; } sgp->pool = mempool_create_slab_pool(SG_MEMPOOL_SIZE, @@ -1701,10 +1702,25 @@ int __init scsi_init_queue(void) if (!sgp->pool) { printk(KERN_ERR "SCSI: can't init sg mempool %s\n", sgp->name); + goto cleanup_bidi_sdb; } } return 0; + +cleanup_bidi_sdb: + for (i = 0; i < SG_MEMPOOL_NR; i++) { + struct scsi_host_sg_pool *sgp = scsi_sg_pools + i; + if (sgp->pool) + mempool_destroy(sgp->pool); + if (sgp->slab) + kmem_cache_destroy(sgp->slab); + } + kmem_cache_destroy(scsi_bidi_sdb_cache); +cleanup_io_context: + kmem_cache_destroy(scsi_io_context_cache); + + return -ENOMEM; } void scsi_exit_queue(void) |