[PATCH] um: Remove double zero check

Shaojie Dong quic_shaojied at quicinc.com
Wed Oct 30 00:26:09 PDT 2024


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

Signed-off-by: Shaojie Dong <quic_shaojied at quicinc.com>
---
 arch/um/kernel/skas/mmu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index d3fb506d5bd6..0eb5a1d3ba70 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;
 }
-- 
2.34.1




More information about the linux-um mailing list