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commit30863e38ebupstream. When mtdoops calls mtd_panic_write(), it eventually calls panic_nand_write() in nand_base.c. In order to properly wait for the nand chip to be ready in panic_nand_wait(), the chip must first be selected. When using the atmel nand flash controller, a panic would occur due to a NULL pointer exception. Fixes:2af7c65399("mtd: Add panic_write for NAND flashes") Cc: <stable@vger.kernel.org> Signed-off-by: Brent Taylor <motobud@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>