diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/nsproxy.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index 1bc4b55241a8..9e83b589f754 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c | |||
@@ -145,13 +145,11 @@ void free_nsproxy(struct nsproxy *ns) | |||
145 | 145 | ||
146 | /* | 146 | /* |
147 | * Called from unshare. Unshare all the namespaces part of nsproxy. | 147 | * Called from unshare. Unshare all the namespaces part of nsproxy. |
148 | * On sucess, returns the new nsproxy and a reference to old nsproxy | 148 | * On success, returns the new nsproxy. |
149 | * to make sure it stays around. | ||
150 | */ | 149 | */ |
151 | int unshare_nsproxy_namespaces(unsigned long unshare_flags, | 150 | int unshare_nsproxy_namespaces(unsigned long unshare_flags, |
152 | struct nsproxy **new_nsp, struct fs_struct *new_fs) | 151 | struct nsproxy **new_nsp, struct fs_struct *new_fs) |
153 | { | 152 | { |
154 | struct nsproxy *old_ns = current->nsproxy; | ||
155 | int err = 0; | 153 | int err = 0; |
156 | 154 | ||
157 | if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC))) | 155 | if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC))) |
@@ -170,13 +168,9 @@ int unshare_nsproxy_namespaces(unsigned long unshare_flags, | |||
170 | if (!capable(CAP_SYS_ADMIN)) | 168 | if (!capable(CAP_SYS_ADMIN)) |
171 | return -EPERM; | 169 | return -EPERM; |
172 | 170 | ||
173 | get_nsproxy(old_ns); | ||
174 | |||
175 | *new_nsp = create_new_namespaces(unshare_flags, current, | 171 | *new_nsp = create_new_namespaces(unshare_flags, current, |
176 | new_fs ? new_fs : current->fs); | 172 | new_fs ? new_fs : current->fs); |
177 | if (IS_ERR(*new_nsp)) { | 173 | if (IS_ERR(*new_nsp)) |
178 | err = PTR_ERR(*new_nsp); | 174 | err = PTR_ERR(*new_nsp); |
179 | put_nsproxy(old_ns); | ||
180 | } | ||
181 | return err; | 175 | return err; |
182 | } | 176 | } |