diff options
Diffstat (limited to 'ipc')
-rw-r--r-- | ipc/mqueue.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 3660c334ee6b..15eabf9d51fd 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c | |||
@@ -261,8 +261,9 @@ static void mqueue_delete_inode(struct inode *inode) | |||
261 | 261 | ||
262 | clear_inode(inode); | 262 | clear_inode(inode); |
263 | 263 | ||
264 | mq_bytes = (info->attr.mq_maxmsg * sizeof(struct msg_msg *) + | 264 | /* Total amount of bytes accounted for the mqueue */ |
265 | (info->attr.mq_maxmsg * info->attr.mq_msgsize)); | 265 | mq_bytes = info->attr.mq_maxmsg * (sizeof(struct msg_msg *) |
266 | + info->attr.mq_msgsize); | ||
266 | user = info->user; | 267 | user = info->user; |
267 | if (user) { | 268 | if (user) { |
268 | spin_lock(&mq_lock); | 269 | spin_lock(&mq_lock); |
@@ -601,8 +602,8 @@ static int mq_attr_ok(struct ipc_namespace *ipc_ns, struct mq_attr *attr) | |||
601 | /* check for overflow */ | 602 | /* check for overflow */ |
602 | if (attr->mq_msgsize > ULONG_MAX/attr->mq_maxmsg) | 603 | if (attr->mq_msgsize > ULONG_MAX/attr->mq_maxmsg) |
603 | return 0; | 604 | return 0; |
604 | if ((unsigned long)(attr->mq_maxmsg * attr->mq_msgsize) + | 605 | if ((unsigned long)(attr->mq_maxmsg * (attr->mq_msgsize |
605 | (attr->mq_maxmsg * sizeof (struct msg_msg *)) < | 606 | + sizeof (struct msg_msg *))) < |
606 | (unsigned long)(attr->mq_maxmsg * attr->mq_msgsize)) | 607 | (unsigned long)(attr->mq_maxmsg * attr->mq_msgsize)) |
607 | return 0; | 608 | return 0; |
608 | return 1; | 609 | return 1; |