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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-03 21:50:46 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-04 13:57:24 -0400 |
| commit | 5a5011936ec0ef22e9433cf2ee3520db4993b445 (patch) | |
| tree | 8589b4dd00e61ab4299c33ed1df31194e9cca32c /drivers/macintosh/adb.c | |
| parent | 31acd2665b8f45548e1acfb9131657646333f91c (diff) | |
| download | linux-stable-5a5011936ec0ef22e9433cf2ee3520db4993b445.tar.gz linux-stable-5a5011936ec0ef22e9433cf2ee3520db4993b445.tar.bz2 linux-stable-5a5011936ec0ef22e9433cf2ee3520db4993b445.zip | |
adb: get rid of pointless access_ok()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/macintosh/adb.c')
| -rw-r--r-- | drivers/macintosh/adb.c | 4 |
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); |