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authorAjay Nandakumar <anandakumarm@nvidia.com>2013-12-16 19:11:53 +0530
committerAjay Nandakumar <anandakumarm@nvidia.com>2013-12-16 19:11:53 +0530
commit4186e42658f8f3e95fa4f87f917872e8a3431057 (patch)
tree88d96f1893b395c38c246e79e75cbcf088678441 /arch/arm/include
parent6bbaea6ef1c82c1d4a94b655ecf2e2b08164545f (diff)
parent05bcf8f867f4af11c93395d4a6dd1dd52d8904ea (diff)
Merge tag 'v3.10.24' into HEAD
This is the 3.10.24 stable release Change-Id: Ibd2734f93d44385ab86867272a1359158635133b
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/pgtable.h2
-rw-r--r--arch/arm/include/asm/syscall.h6
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 0df9a487f293..2cc350e43535 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -60,7 +60,7 @@ extern void __pgd_error(const char *file, int line, pgd_t);
* mapping to be mapped at. This is particularly important for
* non-high vector CPUs.
*/
-#define FIRST_USER_ADDRESS PAGE_SIZE
+#define FIRST_USER_ADDRESS (PAGE_SIZE * 2)
/*
* Use TASK_SIZE as the ceiling argument for free_pgtables() and
diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index f1d96d4e8092..73ddd7239b33 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -57,6 +57,9 @@ static inline void syscall_get_arguments(struct task_struct *task,
unsigned int i, unsigned int n,
unsigned long *args)
{
+ if (n == 0)
+ return;
+
if (i + n > SYSCALL_MAX_ARGS) {
unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i;
unsigned int n_bad = n + i - SYSCALL_MAX_ARGS;
@@ -81,6 +84,9 @@ static inline void syscall_set_arguments(struct task_struct *task,
unsigned int i, unsigned int n,
const unsigned long *args)
{
+ if (n == 0)
+ return;
+
if (i + n > SYSCALL_MAX_ARGS) {
pr_warning("%s called with max args %d, handling only %d\n",
__func__, i + n, SYSCALL_MAX_ARGS);