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authorEric Van Hensbergen <ericvh@gmail.com>2010-01-15 19:01:10 -0600
committerEric Van Hensbergen <ericvh@gmail.com>2010-02-08 14:13:30 -0600
commit349d3bb878d71978650a0634b5445af3c1cc1cd8 (patch)
treeec0760ddef95d3afdfb00611cbd64941958e2b00
parent562ada612058133a5483c68a73605f3c5f42fffe (diff)
downloadlinux-linaro-stable-349d3bb878d71978650a0634b5445af3c1cc1cd8.tar.gz
net/9p: fail when user specifies a transport which we can't find
If the user specifies a transport and we can't find it, we failed back to the default trainsport silently. This patch will make the code complain more loudly and return an error code. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
-rw-r--r--net/9p/client.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 8af95b2dddd6..90a2eb926d19 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -108,6 +108,13 @@ static int parse_opts(char *opts, struct p9_client *clnt)
break;
case Opt_trans:
clnt->trans_mod = v9fs_get_trans_by_name(&args[0]);
+ if(clnt->trans_mod == NULL) {
+ P9_DPRINTK(P9_DEBUG_ERROR,
+ "Could not find request transport: %s\n",
+ (char *) &args[0]);
+ ret = -EINVAL;
+ goto free_and_return;
+ }
break;
case Opt_legacy:
clnt->dotu = 0;
@@ -117,6 +124,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
}
}
+free_and_return:
kfree(options);
return ret;
}