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9pnet_rdma: check token type before int conversion

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When parsing options, make sure we have found a proper token before
doing a numeric conversion.

Without this check, the current code will end up following random
pointers that just happened to be on the stack when this function was
called, because match_token() will not touch the 'args' list unless a
valid token is found.

Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Simon Derr 2014-03-11 10:14:15 +01:00 committed by Eric Van Hensbergen
parent 263c582888
commit 8a5daf1e2c
1 changed files with 2 additions and 0 deletions
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2
net/9p/trans_rdma.c
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@ -193,6 +193,8 @@ static int parse_opts(char *params, struct p9_rdma_opts *opts)
if (!*p)
continue;
token = match_token(p, tokens, args);
if (token == Opt_err)
continue;
r = match_int(&args[0], &option);
if (r < 0) {
p9_debug(P9_DEBUG_ERROR,