Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ddce40df6e14dd474bbd9daa006dcc290dea6326
Commit: ddce40df6e14dd474bbd9daa006dcc290dea6326
Parent: e4cc6ee2e40bdd57990577b7f851fa2ca48edf47
Author: Peter Zijlstra <[EMAIL PROTECTED]>
AuthorDate: Wed May 9 08:30:11 2007 +0200
Committer: Trond Myklebust <[EMAIL PROTECTED]>
CommitDate: Wed May 9 17:58:00 2007 -0400
sunrpc: fix crash in rpc_malloc()
While the comment says:
* To prevent rpciod from hanging, this allocator never sleeps,
* returning NULL if the request cannot be serviced immediately.
The function does not actually check for NULL pointers being returned.
Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]>
Signed-off-by: Trond Myklebust <[EMAIL PROTECTED]>
---
net/sunrpc/sched.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index b28a0b0..b011eb6 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -767,6 +767,10 @@ void *rpc_malloc(struct rpc_task *task, size_t size)
buf = mempool_alloc(rpc_buffer_mempool, gfp);
else
buf = kmalloc(size, gfp);
+
+ if (!buf)
+ return NULL;
+
buf->len = size;
dprintk("RPC: %5u allocated buffer of size %zu at %p\n",
task->tk_pid, size, buf);
-
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