This patch addresses the following issues:

- Fix log-spamming and cryptic error messages, and add KERN_ constants.

- Convert some ints to unsigned ints.

- Add checks for CAP_SYS_ADMIN for FLASH_Burn and FLASH_Erase ioctls.

- Identify use of global variable.

- Fix memory leak in FLASH_Burn ioctl.

- Fix error return codes in lcd_ioctl().

- Move variable "index" in lcd_ioctl() to smaller scope to reduce memory
  usage.

- Convert cli()/sti() to spin_lock_irqsave()/spin_unlock_irqrestore().
  Fix legibility issues in FLASH_Burn ioctl.
Signed-off-by: James Nelson <james4765@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>