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author | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 22:18:36 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 22:18:36 +0200 |
commit | 6a7b3e970426f4bc2a8d52f81a4fda6595a9f052 (patch) | |
tree | 055765564c839e456fbe4c65c8cd2c4b00d731b7 /ipc/msg.c | |
parent | 661462f4c6d3c9ae0bac193c65936ebfac4c95b4 (diff) | |
parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) | |
download | op-kernel-dev-6a7b3e970426f4bc2a8d52f81a4fda6595a9f052.zip op-kernel-dev-6a7b3e970426f4bc2a8d52f81a4fda6595a9f052.tar.gz |
Merge tag 'v3.9-rc5' into devel
Linux 3.9-rc5
Conflicts:
drivers/pinctrl/pinconf.c
Diffstat (limited to 'ipc/msg.c')
-rw-r--r-- | ipc/msg.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -820,15 +820,17 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, struct msg_msg *copy = NULL; unsigned long copy_number = 0; + ns = current->nsproxy->ipc_ns; + if (msqid < 0 || (long) bufsz < 0) return -EINVAL; if (msgflg & MSG_COPY) { - copy = prepare_copy(buf, bufsz, msgflg, &msgtyp, ©_number); + copy = prepare_copy(buf, min_t(size_t, bufsz, ns->msg_ctlmax), + msgflg, &msgtyp, ©_number); if (IS_ERR(copy)) return PTR_ERR(copy); } mode = convert_mode(&msgtyp, msgflg); - ns = current->nsproxy->ipc_ns; msq = msg_lock_check(ns, msqid); if (IS_ERR(msq)) { |