9p: fix option parsing
Options pointer is being moved before calling kfree() which seems
to cause problems. This uses a separate pointer to track and free
original allocation.
Signed-off-by: Venkateswararao Jujjuri <jvrao@us.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>w
diff --git a/net/9p/client.c b/net/9p/client.c
index a2e2d61..cbe0669 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -69,7 +69,7 @@
static int parse_opts(char *opts, struct p9_client *clnt)
{
- char *options;
+ char *options, *tmp_options;
char *p;
substring_t args[MAX_OPT_ARGS];
int option;
@@ -81,12 +81,13 @@
if (!opts)
return 0;
- options = kstrdup(opts, GFP_KERNEL);
- if (!options) {
+ tmp_options = kstrdup(opts, GFP_KERNEL);
+ if (!tmp_options) {
P9_DPRINTK(P9_DEBUG_ERROR,
"failed to allocate copy of option string\n");
return -ENOMEM;
}
+ options = tmp_options;
while ((p = strsep(&options, ",")) != NULL) {
int token;
@@ -125,7 +126,7 @@
}
free_and_return:
- kfree(options);
+ kfree(tmp_options);
return ret;
}