From: Shaojie Dong <quic_shaojied@quicinc.com>
Date: Fri, 25 Oct 2024 09:02:37 +0000 (+0800)
Subject: um: Remove double zero check
X-Git-Tag: v6.13-rc1~18^2~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0b0ad2541d8e465c82b69202bbc2b1efcac6b73d;p=thirdparty%2Fkernel%2Flinux.git

um: Remove double zero check

free_pages() performs a parameter null check inside
therefore remove double zero check here.

Signed-off-by: Shaojie Dong <quic_shaojied@quicinc.com>
Link: https://patch.msgid.link/20241025-upstream_branch-v5-1-b8998beb2c64@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index d3fb506d5bd60..0eb5a1d3ba701 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -46,8 +46,7 @@ int init_new_context(struct task_struct *task, struct mm_struct *mm)
 	return 0;
 
  out_free:
-	if (new_id->stack != 0)
-		free_pages(new_id->stack, ilog2(STUB_DATA_PAGES));
+	free_pages(new_id->stack, ilog2(STUB_DATA_PAGES));
  out:
 	return ret;
 }