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authorArnd Bergmann <arnd@arndb.de>2013-03-14 18:55:59 -0400
committerArnd Bergmann <arnd@arndb.de>2013-03-14 18:55:59 -0400
commit7ac6c89189c669fd5f883937f291f18d324d470b (patch)
tree5f0712bdedac45a40148ede0064d4e6eddb4260e /ipc
parent6fdd496e07f511a94ba27e4a1433038b32d6af05 (diff)
parent0ed66befaae893e82c9f016238282d73ef9fd6c7 (diff)
Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes
From Nicolas Ferre <nicolas.ferre@atmel.com>: Two patches for Device Tree on at91sam9x5/NAND. Two more for fixing PM suspend/resume IRQ on AIC5 and GPIO used with pinctrl. * tag 'at91-fixes' of git://github.com/at91linux/linux-at91: ARM: at91: fix infinite loop in at91_irq_suspend/resume ARM: at91: add gpio suspend/resume support when using pinctrl ARM: at91: dt: at91sam9x5: complete NAND pinctrl ARM: at91: dt: at91sam9x5: correct NAND pins comments Includes an update to -rc2 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/msg.c6
-rw-r--r--ipc/msgutil.c3
2 files changed, 4 insertions, 5 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index 950572f9d796..31cd1bf6af27 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -820,15 +820,17 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp,
820 struct msg_msg *copy = NULL; 820 struct msg_msg *copy = NULL;
821 unsigned long copy_number = 0; 821 unsigned long copy_number = 0;
822 822
823 ns = current->nsproxy->ipc_ns;
824
823 if (msqid < 0 || (long) bufsz < 0) 825 if (msqid < 0 || (long) bufsz < 0)
824 return -EINVAL; 826 return -EINVAL;
825 if (msgflg & MSG_COPY) { 827 if (msgflg & MSG_COPY) {
826 copy = prepare_copy(buf, bufsz, msgflg, &msgtyp, &copy_number); 828 copy = prepare_copy(buf, min_t(size_t, bufsz, ns->msg_ctlmax),
829 msgflg, &msgtyp, &copy_number);
827 if (IS_ERR(copy)) 830 if (IS_ERR(copy))
828 return PTR_ERR(copy); 831 return PTR_ERR(copy);
829 } 832 }
830 mode = convert_mode(&msgtyp, msgflg); 833 mode = convert_mode(&msgtyp, msgflg);
831 ns = current->nsproxy->ipc_ns;
832 834
833 msq = msg_lock_check(ns, msqid); 835 msq = msg_lock_check(ns, msqid);
834 if (IS_ERR(msq)) { 836 if (IS_ERR(msq)) {
diff --git a/ipc/msgutil.c b/ipc/msgutil.c
index ebfcbfa8b7f2..5df8e4bf1db0 100644
--- a/ipc/msgutil.c
+++ b/ipc/msgutil.c
@@ -117,9 +117,6 @@ struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst)
117 if (alen > DATALEN_MSG) 117 if (alen > DATALEN_MSG)
118 alen = DATALEN_MSG; 118 alen = DATALEN_MSG;
119 119
120 dst->next = NULL;
121 dst->security = NULL;
122
123 memcpy(dst + 1, src + 1, alen); 120 memcpy(dst + 1, src + 1, alen);
124 121
125 len -= alen; 122 len -= alen;