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authorMichal Suchanek <hramrach@gmail.com>2015-07-27 15:47:10 +0200
committerRichard Weinberger <richard@nod.at>2016-08-25 15:31:35 +0200
commita2d188795599846bc8f085418467b794881e7209 (patch)
tree4e03dfdc42053ed79aa8d0170aac0bf54c0f6e00 /tests/fs-tests/utils
parent76c64d6ca9e9258b74ec13d13496eb7ca872a288 (diff)
mtd-utils: mtd_debug: check amount of data read.
The kernel refuses to read more data from a MTD device than the device size. However, mtd_debug does not check the amount of data read as returned by read(2) and assumes the requested amount is always read when there is no error. Reading 8M data from a 4M flash chip results in 8M file containing the flash data at the start. Signed-off-by: Michal Suchanek <hramrach@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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