[PATCH] x86/resctrl: Fix unneeded variable warning reported by kernel test robot

[Babu Moger]

kernel test robot reported the following warning after the commit
54e35eb8611c ("x86/resctrl: Read supported bandwidth sources from CPUID").

cocci warnings: (new ones prefixed by >>)
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c:1621:5-8: Unneeded variable: "ret". Return "  0" on line 1655

Fix the warning by removing the variable "ret" and returning 0 directly.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202401241810.jbd8Ipa1-lkp@xxxxxxxxx/
Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
---
 arch/x86/kernel/cpu/resctrl/rdtgroup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 2b69e560b05f..6057f96df73f 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -1618,7 +1618,6 @@ static int mbm_config_write_domain(struct rdt_resource *r,
 				   struct rdt_domain *d, u32 evtid, u32 val)
 {
 	struct mon_config_info mon_info = {0};
-	int ret = 0;
 
 	/*
 	 * Read the current config value first. If both are the same then
@@ -1652,7 +1651,7 @@ static int mbm_config_write_domain(struct rdt_resource *r,
 	resctrl_arch_reset_rmid_all(r, d);
 
 out:
-	return ret;
+	return 0;
 }
 
 static int mon_config_write(struct rdt_resource *r, char *tok, u32 evtid)
-- 
2.34.1