summaryrefslogtreecommitdiffstats
path: root/mm
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2020-09-25 06:51:41 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2020-10-03 00:02:13 -0400
commit89cd35c58bc2e36bfdc23dde67a429b08cf4ae03 (patch)
tree540a413bab63b20e24dba2dece0044277bb778a1 /mm
parentbfdc59701d6d100c99c3b987bcffd1c204e393c8 (diff)
iov_iter: transparently handle compat iovecs in import_iovec
Use in compat_syscall to import either native or the compat iovecs, and remove the now superflous compat_import_iovec. This removes the need for special compat logic in most callers, and the remaining ones can still be simplified by using __import_iovec with a bool compat parameter. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm')
-rw-r--r--mm/process_vm_access.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index 5e728c20c2be..3f2156aab442 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -326,7 +326,8 @@ compat_process_vm_rw(compat_pid_t pid,
if (flags != 0)
return -EINVAL;
- rc = compat_import_iovec(dir, lvec, liovcnt, UIO_FASTIOV, &iov_l, &iter);
+ rc = import_iovec(dir, (const struct iovec __user *)lvec, liovcnt,
+ UIO_FASTIOV, &iov_l, &iter);
if (rc < 0)
return rc;
if (!iov_iter_count(&iter))