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authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-05 13:13:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-05 13:13:32 -0700
commit3bad2f1c676581d01e7645eb03e9b27e28b0a92e (patch)
tree7e946eb2c7dab8c08e473ee1249be9a814728158 /drivers/macintosh
parentb4b8cbf679c4866a523a35d1454884a31bd5d8dc (diff)
parent8c6657cb50cb037ff58b3f6a547c6569568f3527 (diff)
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Merge branch 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc user access cleanups from Al Viro: "The first pile is assorted getting rid of cargo-culted access_ok(), cargo-culted set_fs() and field-by-field copyouts. The same description applies to a lot of stuff in other branches - this is just the stuff that didn't fit into a more specific topical branch" * 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Switch flock copyin/copyout primitives to copy_{from,to}_user() fs/fcntl: return -ESRCH in f_setown when pid/pgid can't be found fs/fcntl: f_setown, avoid undefined behaviour fs/fcntl: f_setown, allow returning error lpfc debugfs: get rid of pointless access_ok() adb: get rid of pointless access_ok() isdn: get rid of pointless access_ok() compat statfs: switch to copy_to_user() fs/locks: don't mess with the address limit in compat_fcntl64 nfsd_readlink(): switch to vfs_get_link() drbd: ->sendpage() never needed set_fs() fs/locks: pass kernel struct flock to fcntl_getlk/setlk fs: locks: Fix some troubles at kernel-doc comments
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/adb.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index fee939efc4fc..039dc8285fc5 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -723,8 +723,6 @@ static ssize_t adb_read(struct file *file, char __user *buf,
return -EINVAL;
if (count > sizeof(req->reply))
count = sizeof(req->reply);
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
req = NULL;
spin_lock_irqsave(&state->lock, flags);
@@ -781,8 +779,6 @@ static ssize_t adb_write(struct file *file, const char __user *buf,
return -EINVAL;
if (adb_controller == NULL)
return -ENXIO;
- if (!access_ok(VERIFY_READ, buf, count))
- return -EFAULT;
req = kmalloc(sizeof(struct adb_request),
GFP_KERNEL);