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fs/compat: convert to COMPAT_SYSCALL_DEFINE

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Convert all compat system call functions where all parameter types
have a size of four or less than four bytes, or are pointer types
to COMPAT_SYSCALL_DEFINE.
The implicit casts within COMPAT_SYSCALL_DEFINE will perform proper
zero and sign extension to 64 bit of all parameters if needed.

Signed-off-by: Heiko Carstens <[email protected]>
This commit is contained in:
Heiko Carstens 2014-03-04 10:53:50 +01:00
commit 625b1d7e81
2 changed files with 39 additions and 40 deletions
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6
fs/exec.c
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@ -1619,9 +1619,9 @@ SYSCALL_DEFINE3(execve,
return do_execve(getname(filename), argv, envp);
}
#ifdef CONFIG_COMPAT
asmlinkage long compat_sys_execve(const char __user * filename,
const compat_uptr_t __user * argv,
const compat_uptr_t __user * envp)
COMPAT_SYSCALL_DEFINE3(execve, const char __user *, filename,
const compat_uptr_t __user *, argv,
const compat_uptr_t __user *, envp)
{
return compat_do_execve(getname(filename), argv, envp);
}