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/trans_rdma.c b/net/9p/trans_rdma.c
index 65cb29d..2c95a89 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -166,7 +166,7 @@
char *p;
substring_t args[MAX_OPT_ARGS];
int option;
- char *options;
+ char *options, *tmp_options;
int ret;
opts->port = P9_PORT;
@@ -177,12 +177,13 @@
if (!params)
return 0;
- options = kstrdup(params, GFP_KERNEL);
- if (!options) {
+ tmp_options = kstrdup(params, 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;
@@ -216,7 +217,7 @@
}
/* RQ must be at least as large as the SQ */
opts->rq_depth = max(opts->rq_depth, opts->sq_depth);
- kfree(options);
+ kfree(tmp_options);
return 0;
}
