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Subject[PATCH] utsname: Optimize clone_uts_ns()
Date
Optimize the err variable assignment location so that the err variable
is manually modified when an error occurs.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
---
kernel/utsname.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/kernel/utsname.c b/kernel/utsname.c
index b1ac3ca870f24..f55568e00927c 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -49,15 +49,17 @@ static struct uts_namespace *clone_uts_ns(struct user_namespace *user_ns,
struct ucounts *ucounts;
int err;

- err = -ENOSPC;
ucounts = inc_uts_namespaces(user_ns);
- if (!ucounts)
+ if (!ucounts) {
+ err = -ENOSPC;
goto fail;
+ }

- err = -ENOMEM;
ns = create_uts_ns();
- if (!ns)
+ if (!ns) {
+ err = -ENOMEM;
goto fail_dec;
+ }

err = ns_alloc_inum(&ns->ns);
if (err)
--
2.18.2

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