Staging: Gasket: shift wrapping bug in gasket_read_modify_write_64()

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This function only has one caller so mask_width is 1 and mask_shift is
32.  Shifting an int by 32 bits is undefined, but I guess on GCC it
wraps to 0x1?  Anyway it's supposed to be 0x100000000.

Fixes: 9a69f5087c ("drivers/staging: Gasket driver framework + Apex driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dan Carpenter 2018-07-06 11:39:21 +03:00 • committed by Greg Kroah-Hartman

parent 7cc6dfd076

commit c37a192ef4

1 changed files with 1 additions and 1 deletions

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drivers/staging/gasket/gasket_core.h

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