Add a tracepoint to the mount fsc=xxx option Signed-off-by: Chen Hanxiao <chenhx.fnst@xxxxxxxxxxx> --- fs/nfs/fs_context.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index 853e8d609bb3..fd8813222cd2 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -652,6 +652,9 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, ctx->fscache_uniq = NULL; break; case Opt_fscache: + if (!param->string) + goto out_invalid_value; + trace_nfs_mount_assign(param->key, param->string); ctx->options |= NFS_OPTION_FSCACHE; kfree(ctx->fscache_uniq); ctx->fscache_uniq = param->string; -- 2.39.1
