diff options
Diffstat (limited to 'net/socket.c')
-rw-r--r-- | net/socket.c | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/net/socket.c b/net/socket.c index 0778c5442411..9566e57ac7f5 100644 --- a/net/socket.c +++ b/net/socket.c | |||
@@ -1194,6 +1194,7 @@ asmlinkage long sys_socketpair(int family, int type, int protocol, | |||
1194 | { | 1194 | { |
1195 | struct socket *sock1, *sock2; | 1195 | struct socket *sock1, *sock2; |
1196 | int fd1, fd2, err; | 1196 | int fd1, fd2, err; |
1197 | struct file *newfile1, *newfile2; | ||
1197 | 1198 | ||
1198 | /* | 1199 | /* |
1199 | * Obtain the first socket and check if the underlying protocol | 1200 | * Obtain the first socket and check if the underlying protocol |
@@ -1212,18 +1213,37 @@ asmlinkage long sys_socketpair(int family, int type, int protocol, | |||
1212 | if (err < 0) | 1213 | if (err < 0) |
1213 | goto out_release_both; | 1214 | goto out_release_both; |
1214 | 1215 | ||
1215 | fd1 = fd2 = -1; | 1216 | fd1 = sock_alloc_fd(&newfile1); |
1217 | if (unlikely(fd1 < 0)) | ||
1218 | goto out_release_both; | ||
1216 | 1219 | ||
1217 | err = sock_map_fd(sock1); | 1220 | fd2 = sock_alloc_fd(&newfile2); |
1218 | if (err < 0) | 1221 | if (unlikely(fd2 < 0)) { |
1222 | put_filp(newfile1); | ||
1223 | put_unused_fd(fd1); | ||
1219 | goto out_release_both; | 1224 | goto out_release_both; |
1220 | fd1 = err; | 1225 | } |
1221 | 1226 | ||
1222 | err = sock_map_fd(sock2); | 1227 | err = sock_attach_fd(sock1, newfile1); |
1223 | if (err < 0) | 1228 | if (unlikely(err < 0)) { |
1224 | goto out_close_1; | 1229 | goto out_fd2; |
1225 | fd2 = err; | 1230 | } |
1231 | |||
1232 | err = sock_attach_fd(sock2, newfile2); | ||
1233 | if (unlikely(err < 0)) { | ||
1234 | fput(newfile1); | ||
1235 | goto out_fd1; | ||
1236 | } | ||
1237 | |||
1238 | err = audit_fd_pair(fd1, fd2); | ||
1239 | if (err < 0) { | ||
1240 | fput(newfile1); | ||
1241 | fput(newfile2); | ||
1242 | goto out_fd; | ||
1243 | } | ||
1226 | 1244 | ||
1245 | fd_install(fd1, newfile1); | ||
1246 | fd_install(fd2, newfile2); | ||
1227 | /* fd1 and fd2 may be already another descriptors. | 1247 | /* fd1 and fd2 may be already another descriptors. |
1228 | * Not kernel problem. | 1248 | * Not kernel problem. |
1229 | */ | 1249 | */ |
@@ -1238,17 +1258,23 @@ asmlinkage long sys_socketpair(int family, int type, int protocol, | |||
1238 | sys_close(fd1); | 1258 | sys_close(fd1); |
1239 | return err; | 1259 | return err; |
1240 | 1260 | ||
1241 | out_close_1: | ||
1242 | sock_release(sock2); | ||
1243 | sys_close(fd1); | ||
1244 | return err; | ||
1245 | |||
1246 | out_release_both: | 1261 | out_release_both: |
1247 | sock_release(sock2); | 1262 | sock_release(sock2); |
1248 | out_release_1: | 1263 | out_release_1: |
1249 | sock_release(sock1); | 1264 | sock_release(sock1); |
1250 | out: | 1265 | out: |
1251 | return err; | 1266 | return err; |
1267 | |||
1268 | out_fd2: | ||
1269 | put_filp(newfile1); | ||
1270 | sock_release(sock1); | ||
1271 | out_fd1: | ||
1272 | put_filp(newfile2); | ||
1273 | sock_release(sock2); | ||
1274 | out_fd: | ||
1275 | put_unused_fd(fd1); | ||
1276 | put_unused_fd(fd2); | ||
1277 | goto out; | ||
1252 | } | 1278 | } |
1253 | 1279 | ||
1254 | /* | 1280 | /* |