[PATCH 1/2] intel_rdt: fix a build warnning

[Shaohua Li]

gcc complains:
"warning: ‘dentry’ may be used uninitialized in this function"

Signed-off-by: Shaohua Li <s...@fb.com>
---
 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c 
b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index a90ad22..e66c7a5 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -691,8 +691,10 @@ static struct dentry *rdt_mount(struct file_system_type 
*fs_type,
        closid_init();
 
        ret = rdtgroup_create_info_dir(rdtgroup_default.kn);
-       if (ret)
+       if (ret) {
+               dentry = ERR_PTR(ret);
                goto out_cdp;
+       }
 
        dentry = kernfs_mount(fs_type, flags, rdt_root,
                              RDTGROUP_SUPER_MAGIC, NULL);
-- 
2.9.3