Staging: rc2860: return -EFAULT on copy_to_user errors
authorDan Carpenter <error27@gmail.com>
Fri, 4 Jun 2010 10:39:51 +0000 (12:39 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 4 Jun 2010 20:38:58 +0000 (13:38 -0700)
commit2d98bb22c33b033182edd3a3c6b4c4e1d091db4d
tree9e8995b79993fc279383ee713ee6f9fbb7d5642d
parentc60e55f30a4dac15db51b398c3bd94e4cfbf743a
Staging: rc2860: return -EFAULT on copy_to_user errors

copy_to_user() returns the number of bytes remaining but we want to
return a negative error code.  This is in the ioctl handler and the
error code gets passed to userspace.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/rt2860/sta_ioctl.c