free_pages() performs a parameter null check inside
previous code also does zero check as following
if (stack == 0)
goto out;
to_mm->id.stack = stack;
therefore remove double zero check here.
Signed-off-by: shaojiedong <quic_shaojied@xxxxxxxxxxx>
---
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 d3fb506d5bd6084046cf5903c629432cd42b5ab3..0eb5a1d3ba70134f75d9b2af18544fca7248c6d6 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;
}
---
base-commit: fd21fa4a912ebbf8a6a341c31d8456f61e7d4170
change-id: 20241025-upstream_branch-06a9ea92948d
Best regards,
--
shaojiedong <quic_shaojied@xxxxxxxxxxx>
