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| author | Vasu Dev <vasu.dev@intel.com> | 2009-10-21 16:27:28 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-12-04 12:00:29 -0600 |
| commit | 89f19a59de0ec4626c64d90d2f5e255961cab879 (patch) | |
| tree | 5680542ff703c38e2ff03ca983520427a18537be /drivers/scsi/libfc/fc_exch.c | |
| parent | 22655ac22289d7b7def8ef2d72eafe5024bd57fe (diff) | |
| download | blackbird-op-linux-89f19a59de0ec4626c64d90d2f5e255961cab879.tar.gz blackbird-op-linux-89f19a59de0ec4626c64d90d2f5e255961cab879.zip | |
[SCSI] libfc: removes initializing fc_cpu_order and fc_cpu_mask per lport
Initializing these libfc globals per lport could mess up exch
allocation/free for existing lport.
So this patch moves their initialization to fc_setup_exch_mgr
so that these globals gets initialized only once for libfc.
Reported-by: Alex Lyakas <alexl@mellanox.co.il>
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/libfc/fc_exch.c')
| -rw-r--r-- | drivers/scsi/libfc/fc_exch.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index ae8f9e9ac958..bdae9a9e7ae9 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -2046,6 +2046,20 @@ int fc_exch_init(struct fc_lport *lp) if (!lp->tt.seq_exch_abort) lp->tt.seq_exch_abort = fc_seq_exch_abort; + return 0; +} +EXPORT_SYMBOL(fc_exch_init); + +/** + * fc_setup_exch_mgr() - Setup an exchange manager + */ +int fc_setup_exch_mgr() +{ + fc_em_cachep = kmem_cache_create("libfc_em", sizeof(struct fc_exch), + 0, SLAB_HWCACHE_ALIGN, NULL); + if (!fc_em_cachep) + return -ENOMEM; + /* * Initialize fc_cpu_mask and fc_cpu_order. The * fc_cpu_mask is set for nr_cpu_ids rounded up @@ -2070,16 +2084,6 @@ int fc_exch_init(struct fc_lport *lp) return 0; } -EXPORT_SYMBOL(fc_exch_init); - -int fc_setup_exch_mgr(void) -{ - fc_em_cachep = kmem_cache_create("libfc_em", sizeof(struct fc_exch), - 0, SLAB_HWCACHE_ALIGN, NULL); - if (!fc_em_cachep) - return -ENOMEM; - return 0; -} void fc_destroy_exch_mgr(void) { |
