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From: Denis Kirjanov on 30 May 2010 04:10
Fix possible null pointer dereference since kzalloc can return null

Signed-off-by: Denis Kirjanov <dkirjanov(a)kernel.org>
---
fs/afs/server.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/fs/afs/server.c b/fs/afs/server.c
index f490995..32e2a91 100644
--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -93,7 +93,10 @@ static struct afs_server *afs_alloc_server(struct afs_cell *cell,
server->addr.s_addr = addr->s_addr;
}

- _leave(" = %p{%d}", server, atomic_read(&server->usage));
+ if (likely(server))
+ _leave(" = %p{%d}", server, atomic_read(&server->usage));
+ else
+ _leave(" = -ENOMEM");
return server;
}

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Prev: Make kunmap_atomic() harder to misuse
Next: BUG: using smp_processor_id() in preemptible [00000000] code: ondemand/1327