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net: Fix memory leak in the proto_register function

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If the slub allocator is used, kmem_cache_create() may merge two or more
kmem_cache's into one but the cache name pointer is not updated and
kmem_cache_name() is no longer guaranteed to return the pointer passed
to the former function. This patch stores the kmalloc'ed pointers in the
corresponding request_sock_ops and timewait_sock_ops structures.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Catalin Marinas
2008-11-21 16:45:22 -08:00
committed by David S. Miller
parent 33cf71cee1
commit 7e56b5d698
3 changed files with 14 additions and 19 deletions
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1
include/net/timewait_sock.h
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@@ -16,6 +16,7 @@
struct timewait_sock_ops {
struct kmem_cache *twsk_slab;
char *twsk_slab_name;
unsigned int twsk_obj_size;
int (*twsk_unique)(struct sock *sk,
struct sock *sktw, void *twp);