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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 21:10:18 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 21:10:18 -0400
commit08615d7d85e5aa02c05bf6c4dde87d940e7f85f6 (patch)
tree18906149d313d25914160aca21cedf54b3a7e818 /fs/compat.c
parent9fdadb2cbaf4b482dfd6086e8bd3d2db071a1702 (diff)
parent0a4dd35c67b144d8ef9432120105f1aab9293ee9 (diff)
Merge branch 'akpm' (Andrew's patch-bomb)
Merge misc patches from Andrew Morton: - the "misc" tree - stuff from all over the map - checkpatch updates - fatfs - kmod changes - procfs - cpumask - UML - kexec - mqueue - rapidio - pidns - some checkpoint-restore feature work. Reluctantly. Most of it delayed a release. I'm still rather worried that we don't have a clear roadmap to completion for this work. * emailed from Andrew Morton <akpm@linux-foundation.org>: (78 patches) kconfig: update compression algorithm info c/r: prctl: add ability to set new mm_struct::exe_file c/r: prctl: extend PR_SET_MM to set up more mm_struct entries c/r: procfs: add arg_start/end, env_start/end and exit_code members to /proc/$pid/stat syscalls, x86: add __NR_kcmp syscall fs, proc: introduce /proc/<pid>/task/<tid>/children entry sysctl: make kernel.ns_last_pid control dependent on CHECKPOINT_RESTORE aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector() eventfd: change int to __u64 in eventfd_signal() fs/nls: add Apple NLS pidns: make killed children autoreap pidns: use task_active_pid_ns in do_notify_parent rapidio/tsi721: add DMA engine support rapidio: add DMA engine support for RIO data transfers ipc/mqueue: add rbtree node caching support tools/selftests: add mq_perf_tests ipc/mqueue: strengthen checks on mqueue creation ipc/mqueue: correct mq_attr_ok test ipc/mqueue: improve performance of send/recv selftests: add mq_open_tests ...
Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 0781e619a62a..6556a9ce8a28 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -532,7 +532,7 @@ out:
532ssize_t compat_rw_copy_check_uvector(int type, 532ssize_t compat_rw_copy_check_uvector(int type,
533 const struct compat_iovec __user *uvector, unsigned long nr_segs, 533 const struct compat_iovec __user *uvector, unsigned long nr_segs,
534 unsigned long fast_segs, struct iovec *fast_pointer, 534 unsigned long fast_segs, struct iovec *fast_pointer,
535 struct iovec **ret_pointer, int check_access) 535 struct iovec **ret_pointer)
536{ 536{
537 compat_ssize_t tot_len; 537 compat_ssize_t tot_len;
538 struct iovec *iov = *ret_pointer = fast_pointer; 538 struct iovec *iov = *ret_pointer = fast_pointer;
@@ -579,7 +579,7 @@ ssize_t compat_rw_copy_check_uvector(int type,
579 } 579 }
580 if (len < 0) /* size_t not fitting in compat_ssize_t .. */ 580 if (len < 0) /* size_t not fitting in compat_ssize_t .. */
581 goto out; 581 goto out;
582 if (check_access && 582 if (type >= 0 &&
583 !access_ok(vrfy_dir(type), compat_ptr(buf), len)) { 583 !access_ok(vrfy_dir(type), compat_ptr(buf), len)) {
584 ret = -EFAULT; 584 ret = -EFAULT;
585 goto out; 585 goto out;
@@ -1094,7 +1094,7 @@ static ssize_t compat_do_readv_writev(int type, struct file *file,
1094 goto out; 1094 goto out;
1095 1095
1096 tot_len = compat_rw_copy_check_uvector(type, uvector, nr_segs, 1096 tot_len = compat_rw_copy_check_uvector(type, uvector, nr_segs,
1097 UIO_FASTIOV, iovstack, &iov, 1); 1097 UIO_FASTIOV, iovstack, &iov);
1098 if (tot_len == 0) { 1098 if (tot_len == 0) {
1099 ret = 0; 1099 ret = 0;
1100 goto out; 1100 goto out;