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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2014-03-04 17:18:23 +0100 |
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committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2014-03-06 16:30:47 +0100 |
commit | 2f2728f6de9837abe4b354443a45be578fbbf942 (patch) | |
tree | 6305f0c201998040ee05d21fc178849c65e430e7 /mm | |
parent | ca2c405ab90591dcb1bc3765467cbdf2b99a0f6a (diff) | |
download | linux-stable-2f2728f6de9837abe4b354443a45be578fbbf942.tar.gz linux-stable-2f2728f6de9837abe4b354443a45be578fbbf942.tar.bz2 linux-stable-2f2728f6de9837abe4b354443a45be578fbbf942.zip |
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.c | 26 |
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); |