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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-04 17:18:23 +0100
committerHeiko Carstens <heiko.carstens@de.ibm.com>2014-03-06 16:30:47 +0100
commit2f2728f6de9837abe4b354443a45be578fbbf942 (patch)
tree6305f0c201998040ee05d21fc178849c65e430e7 /mm
parentca2c405ab90591dcb1bc3765467cbdf2b99a0f6a (diff)
mm/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types
In order to allow the COMPAT_SYSCALL_DEFINE macro generate code that performs proper zero and sign extension convert all 64 bit parameters to their corresponding 32 bit compat counterparts. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/process_vm_access.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index fd26d0433509..3c5cf68566ec 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -456,25 +456,23 @@ free_iovecs:
return rc;
}
-asmlinkage ssize_t
-compat_sys_process_vm_readv(compat_pid_t pid,
- const struct compat_iovec __user *lvec,
- unsigned long liovcnt,
- const struct compat_iovec __user *rvec,
- unsigned long riovcnt,
- unsigned long flags)
+COMPAT_SYSCALL_DEFINE6(process_vm_readv, compat_pid_t, pid,
+ const struct compat_iovec __user *, lvec,
+ compat_ulong_t, liovcnt,
+ const struct compat_iovec __user *, rvec,
+ compat_ulong_t, riovcnt,
+ compat_ulong_t, flags)
{
return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
riovcnt, flags, 0);
}
-asmlinkage ssize_t
-compat_sys_process_vm_writev(compat_pid_t pid,
- const struct compat_iovec __user *lvec,
- unsigned long liovcnt,
- const struct compat_iovec __user *rvec,
- unsigned long riovcnt,
- unsigned long flags)
+COMPAT_SYSCALL_DEFINE6(process_vm_writev, compat_pid_t, pid,
+ const struct compat_iovec __user *, lvec,
+ compat_ulong_t, liovcnt,
+ const struct compat_iovec __user *, rvec,
+ compat_ulong_t, riovcnt,
+ compat_ulong_t, flags)
{
return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
riovcnt, flags, 1);