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NFSv4.1: Convert open-coded array allocation calls to kmalloc_array() 

For added overflow protection...

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-02-11 17:49:13 -05:00
parent d8ba1f9714
commit a4f743a6bb
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/callback_xdr.c
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@ -313,7 +313,7 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp,
goto out; goto out;
} }
args->devs = kmalloc(n * sizeof(*args->devs), GFP_KERNEL); args->devs = kmalloc_array(n, sizeof(*args->devs), GFP_KERNEL);
if (!args->devs) { if (!args->devs) {
status = htonl(NFS4ERR_DELAY); status = htonl(NFS4ERR_DELAY);
goto out; goto out;
@ -415,7 +415,7 @@ static __be32 decode_rc_list(struct xdr_stream *xdr,
rc_list->rcl_nrefcalls * 2 * sizeof(uint32_t)); rc_list->rcl_nrefcalls * 2 * sizeof(uint32_t));
if (unlikely(p == NULL)) if (unlikely(p == NULL))
goto out; goto out;
rc_list->rcl_refcalls = kmalloc(rc_list->rcl_nrefcalls * rc_list->rcl_refcalls = kmalloc_array(rc_list->rcl_nrefcalls,
sizeof(*rc_list->rcl_refcalls), sizeof(*rc_list->rcl_refcalls),
GFP_KERNEL); GFP_KERNEL);
if (unlikely(rc_list->rcl_refcalls == NULL)) if (unlikely(rc_list->rcl_refcalls == NULL))