diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/scm.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/net/core/scm.c b/net/core/scm.c index 10f5c65f6a47..ab242cc1acca 100644 --- a/net/core/scm.c +++ b/net/core/scm.c | |||
@@ -75,6 +75,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp) | |||
75 | if (!fpl) | 75 | if (!fpl) |
76 | return -ENOMEM; | 76 | return -ENOMEM; |
77 | *fplp = fpl; | 77 | *fplp = fpl; |
78 | INIT_LIST_HEAD(&fpl->list); | ||
78 | fpl->count = 0; | 79 | fpl->count = 0; |
79 | } | 80 | } |
80 | fpp = &fpl->fp[fpl->count]; | 81 | fpp = &fpl->fp[fpl->count]; |
@@ -106,9 +107,25 @@ void __scm_destroy(struct scm_cookie *scm) | |||
106 | 107 | ||
107 | if (fpl) { | 108 | if (fpl) { |
108 | scm->fp = NULL; | 109 | scm->fp = NULL; |
109 | for (i=fpl->count-1; i>=0; i--) | 110 | if (current->scm_work_list) { |
110 | fput(fpl->fp[i]); | 111 | list_add_tail(&fpl->list, current->scm_work_list); |
111 | kfree(fpl); | 112 | } else { |
113 | LIST_HEAD(work_list); | ||
114 | |||
115 | current->scm_work_list = &work_list; | ||
116 | |||
117 | list_add(&fpl->list, &work_list); | ||
118 | while (!list_empty(&work_list)) { | ||
119 | fpl = list_first_entry(&work_list, struct scm_fp_list, list); | ||
120 | |||
121 | list_del(&fpl->list); | ||
122 | for (i=fpl->count-1; i>=0; i--) | ||
123 | fput(fpl->fp[i]); | ||
124 | kfree(fpl); | ||
125 | } | ||
126 | |||
127 | current->scm_work_list = NULL; | ||
128 | } | ||
112 | } | 129 | } |
113 | } | 130 | } |
114 | 131 | ||
@@ -284,6 +301,7 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl) | |||
284 | 301 | ||
285 | new_fpl = kmalloc(sizeof(*fpl), GFP_KERNEL); | 302 | new_fpl = kmalloc(sizeof(*fpl), GFP_KERNEL); |
286 | if (new_fpl) { | 303 | if (new_fpl) { |
304 | INIT_LIST_HEAD(&new_fpl->list); | ||
287 | for (i=fpl->count-1; i>=0; i--) | 305 | for (i=fpl->count-1; i>=0; i--) |
288 | get_file(fpl->fp[i]); | 306 | get_file(fpl->fp[i]); |
289 | memcpy(new_fpl, fpl, sizeof(*fpl)); | 307 | memcpy(new_fpl, fpl, sizeof(*fpl)); |