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| author | Eric Paris <eparis@redhat.com> | 2013-11-22 18:57:08 -0500 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2013-11-22 18:57:54 -0500 |
| commit | fc582aef7dcc27a7120cf232c1e76c569c7b6eab (patch) | |
| tree | 7d275dd4ceab6067b91e9a25a5f6338b425fbccd /arch/arm/include/asm/syscall.h | |
| parent | 9175c9d2aed528800175ef81c90569d00d23f9be (diff) | |
| parent | 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff) | |
Merge tag 'v3.12'
Linux 3.12
Conflicts:
fs/exec.c
Diffstat (limited to 'arch/arm/include/asm/syscall.h')
| -rw-r--r-- | arch/arm/include/asm/syscall.h | 6 |
1 files changed, 6 insertions, 0 deletions
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); |