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wcte12xp: Destroy the cache if the linemode is not recognized.

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Fixes the following errors when running:
  # modprobe wcte12xp default_linemode=blah; modprobe wcte12xp default_linemode=blah

'blah' is an unknown span type.kmem_cache_create: duplicate cache wcte12xp

Call Trace:
 [<ffffffff800394cf>] kmem_cache_create+0x572/0x5ac
 [<ffffffff800a926e>] __link_module+0x0/0x18
 [<ffffffff80064624>] __down_read+0x12/0x92
 [<ffffffff8002224d>] __up_read+0x19/0x7f
 [<ffffffff8818b01f>] :wcte12xp:te12xp_init+0x1f/0xde
 [<ffffffff800a9e37>] sys_init_module+0xbd/0x206
 [<ffffffff8005d28d>] tracesys+0xd5/0xe0

Reported-by: James Brown <jbrown@digium.com>
Signed-off-by: Shaun Ruffell <sruffell@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10695 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell
2012-06-22 17:59:34 +00:00
parent 76ce8d5951
commit eecf45cf5f
1 changed files with 1 additions and 0 deletions
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1
drivers/dahdi/wcte12xp/base.c
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@@ -2933,6 +2933,7 @@ static int __init te12xp_init(void)
strcasecmp(default_linemode, "e1")) {
pr_err("'%s' is an unknown span type.", default_linemode);
default_linemode = "auto";
kmem_cache_destroy(cmd_cache);
return -EINVAL;
}
res = dahdi_pci_module(&te12xp_driver);