From: FUJITA Tomonori Date: Fri, 25 Jan 2008 14:25:14 +0000 (+0900) Subject: [SCSI] handle scsi_init_queue failure properly X-Git-Tag: v5.15~43323^2~2 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=3d9dd6eef888658d26ebea0cc24d15d2a93ab015;p=mirror_ubuntu-kernels.git [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 Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 7bfec7e7a8a0..b12fb310e399 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)