diff options
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r-- | net/core/skbuff.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 2df012be973..7c571560e9d 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c | |||
@@ -1290,12 +1290,14 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset, | |||
1290 | { | 1290 | { |
1291 | unsigned int nr_pages = spd->nr_pages; | 1291 | unsigned int nr_pages = spd->nr_pages; |
1292 | unsigned int poff, plen, len, toff, tlen; | 1292 | unsigned int poff, plen, len, toff, tlen; |
1293 | int headlen, seg; | 1293 | int headlen, seg, error = 0; |
1294 | 1294 | ||
1295 | toff = *offset; | 1295 | toff = *offset; |
1296 | tlen = *total_len; | 1296 | tlen = *total_len; |
1297 | if (!tlen) | 1297 | if (!tlen) { |
1298 | error = 1; | ||
1298 | goto err; | 1299 | goto err; |
1300 | } | ||
1299 | 1301 | ||
1300 | /* | 1302 | /* |
1301 | * if the offset is greater than the linear part, go directly to | 1303 | * if the offset is greater than the linear part, go directly to |
@@ -1337,7 +1339,8 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset, | |||
1337 | * just jump directly to update and return, no point | 1339 | * just jump directly to update and return, no point |
1338 | * in going over fragments when the output is full. | 1340 | * in going over fragments when the output is full. |
1339 | */ | 1341 | */ |
1340 | if (spd_fill_page(spd, virt_to_page(p), plen, poff, skb)) | 1342 | error = spd_fill_page(spd, virt_to_page(p), plen, poff, skb); |
1343 | if (error) | ||
1341 | goto done; | 1344 | goto done; |
1342 | 1345 | ||
1343 | tlen -= plen; | 1346 | tlen -= plen; |
@@ -1367,7 +1370,8 @@ map_frag: | |||
1367 | if (!plen) | 1370 | if (!plen) |
1368 | break; | 1371 | break; |
1369 | 1372 | ||
1370 | if (spd_fill_page(spd, f->page, plen, poff, skb)) | 1373 | error = spd_fill_page(spd, f->page, plen, poff, skb); |
1374 | if (error) | ||
1371 | break; | 1375 | break; |
1372 | 1376 | ||
1373 | tlen -= plen; | 1377 | tlen -= plen; |
@@ -1380,7 +1384,10 @@ done: | |||
1380 | return 0; | 1384 | return 0; |
1381 | } | 1385 | } |
1382 | err: | 1386 | err: |
1383 | return 1; | 1387 | /* update the offset to reflect the linear part skip, if any */ |
1388 | if (!error) | ||
1389 | *offset = toff; | ||
1390 | return error; | ||
1384 | } | 1391 | } |
1385 | 1392 | ||
1386 | /* | 1393 | /* |