fprobe: Fix smatch type mismatch warning

Fix the type mismatching warning of 'rethook_node vs fprobe_rethook_node'
found by Smatch.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/164802092611.1732982.12268174743437084619.stgit@devnote2

diff --git a/kernel/trace/fprobe.c b/kernel/trace/fprobe.c
index 8b2dd5b..63b2321 100644 (file)
--- a/kernel/trace/fprobe.c
+++ b/kernel/trace/fprobe.c
@@ -150,15 +150,15 @@ static int fprobe_init_rethook(struct fprobe *fp, int num)
 
        fp->rethook = rethook_alloc((void *)fp, fprobe_exit_handler);
        for (i = 0; i < size; i++) {
-               struct rethook_node *node;
+               struct fprobe_rethook_node *node;
 
-               node = kzalloc(sizeof(struct fprobe_rethook_node), GFP_KERNEL);
+               node = kzalloc(sizeof(*node), GFP_KERNEL);
                if (!node) {
                        rethook_free(fp->rethook);
                        fp->rethook = NULL;
                        return -ENOMEM;
                }
-               rethook_add_node(fp->rethook, node);
+               rethook_add_node(fp->rethook, &node->node);
        }
        return 0;
 }