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| author | Ying Xue <ying.xue@windriver.com> | 2013-06-17 10:54:50 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-17 15:53:01 -0700 |
| commit | 126c0524648631a0f6fba4d016586b236209fe6f (patch) | |
| tree | 23e9ee7556a92759320ed661007719272b4deb8f /net/tipc/link.c | |
| parent | 7410f967ba9bdc14b1e336e5d235929ed878cbfc (diff) | |
| download | kernel-common-126c0524648631a0f6fba4d016586b236209fe6f.tar.gz kernel-common-126c0524648631a0f6fba4d016586b236209fe6f.tar.bz2 kernel-common-126c0524648631a0f6fba4d016586b236209fe6f.zip | |
tipc: fix wrong return value for link_send_sections_long routine
When skb buffer cannot be allocated in link_send_sections_long(),
-ENOMEM error code instead of -EFAULT should be returned to its
caller.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/link.c')
| -rw-r--r-- | net/tipc/link.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c index b6ffa9fab244..0cc3d9015c5d 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1168,6 +1168,7 @@ static int link_send_sections_long(struct tipc_port *sender, const unchar *sect_crs; int curr_sect; u32 fragm_no; + int res = 0; again: fragm_no = 1; @@ -1215,12 +1216,13 @@ again: sz = fragm_rest; if (copy_from_user(buf->data + fragm_crs, sect_crs, sz)) { + res = -EFAULT; error: for (; buf_chain; buf_chain = buf) { buf = buf_chain->next; kfree_skb(buf_chain); } - return -EFAULT; + return res; } sect_crs += sz; sect_rest -= sz; @@ -1241,8 +1243,10 @@ error: msg_set_fragm_no(&fragm_hdr, ++fragm_no); prev = buf; buf = tipc_buf_acquire(fragm_sz + INT_H_SIZE); - if (!buf) + if (!buf) { + res = -ENOMEM; goto error; + } buf->next = NULL; prev->next = buf; |