diff options
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r-- | mm/mempolicy.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 5d6fb339de03..5bc0a96beb51 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c | |||
@@ -2094,7 +2094,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol) | |||
2094 | NODEMASK_SCRATCH(scratch); | 2094 | NODEMASK_SCRATCH(scratch); |
2095 | 2095 | ||
2096 | if (!scratch) | 2096 | if (!scratch) |
2097 | return; | 2097 | goto put_mpol; |
2098 | /* contextualize the tmpfs mount point mempolicy */ | 2098 | /* contextualize the tmpfs mount point mempolicy */ |
2099 | new = mpol_new(mpol->mode, mpol->flags, &mpol->w.user_nodemask); | 2099 | new = mpol_new(mpol->mode, mpol->flags, &mpol->w.user_nodemask); |
2100 | if (IS_ERR(new)) | 2100 | if (IS_ERR(new)) |
@@ -2103,19 +2103,20 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol) | |||
2103 | task_lock(current); | 2103 | task_lock(current); |
2104 | ret = mpol_set_nodemask(new, &mpol->w.user_nodemask, scratch); | 2104 | ret = mpol_set_nodemask(new, &mpol->w.user_nodemask, scratch); |
2105 | task_unlock(current); | 2105 | task_unlock(current); |
2106 | mpol_put(mpol); /* drop our ref on sb mpol */ | ||
2107 | if (ret) | 2106 | if (ret) |
2108 | goto put_free; | 2107 | goto put_new; |
2109 | 2108 | ||
2110 | /* Create pseudo-vma that contains just the policy */ | 2109 | /* Create pseudo-vma that contains just the policy */ |
2111 | memset(&pvma, 0, sizeof(struct vm_area_struct)); | 2110 | memset(&pvma, 0, sizeof(struct vm_area_struct)); |
2112 | pvma.vm_end = TASK_SIZE; /* policy covers entire file */ | 2111 | pvma.vm_end = TASK_SIZE; /* policy covers entire file */ |
2113 | mpol_set_shared_policy(sp, &pvma, new); /* adds ref */ | 2112 | mpol_set_shared_policy(sp, &pvma, new); /* adds ref */ |
2114 | 2113 | ||
2115 | put_free: | 2114 | put_new: |
2116 | mpol_put(new); /* drop initial ref */ | 2115 | mpol_put(new); /* drop initial ref */ |
2117 | free_scratch: | 2116 | free_scratch: |
2118 | NODEMASK_SCRATCH_FREE(scratch); | 2117 | NODEMASK_SCRATCH_FREE(scratch); |
2118 | put_mpol: | ||
2119 | mpol_put(mpol); /* drop our incoming ref on sb mpol */ | ||
2119 | } | 2120 | } |
2120 | } | 2121 | } |
2121 | 2122 | ||