diff options
| author | Mark Brown <broonie@linaro.org> | 2013-11-05 20:06:43 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-11-05 20:06:43 +0000 |
| commit | 47cf66ff098ac408194713be6531a7bb57d1b99b (patch) | |
| tree | 6711205bc3d5f6200adea4ba2173f2d1d9b0c063 /arch/arm/include/asm/syscall.h | |
| parent | 66cadb7bd46c6691eea6f671380405ab03b423ad (diff) | |
| parent | 7c9373fbcd0b29f6ccc28407c11ecd51cfa7a3c2 (diff) | |
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-android
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 f1d96d4e809..73ddd7239b3 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); |