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mtd: gpio_flash: handle case where offset + len exceeds the window size
authorAaron Wu <aaron.wu@analog.com>
Thu, 7 Aug 2014 03:43:49 +0000 (11:43 +0800)
committerBrian Norris <computersforpeace@gmail.com>
Tue, 19 Aug 2014 18:53:10 +0000 (11:53 -0700)
commit02f8a24e7b1c253ee37edc684200c11300de23f9
tree14298126df14c0a3ff697305884ef44d16de3810
parentbd8898db3e03147d9d7ddd48876fb3f3bcbab6c1
mtd: gpio_flash: handle case where offset + len exceeds the window size

Fix the bug in handling gpio flash read/write when offset + len
from MTD exceeds the window size

Signed-off-by: Aaron Wu <Aaron.wu@analog.com>
[Brian: made some commentary edits. Also note that the BUG_ON() was
provably false for all non-negative inputs (since x % y <= x), so we
dropped it.]

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
drivers/mtd/maps/gpio-addr-flash.c