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| author | William Breathitt Gray <vilhelm.gray@gmail.com> | 2016-06-02 22:00:09 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-06-08 10:08:12 +0200 |
| commit | d15d6cf91695674fbabac3b1d2c8a269d9bab5c6 (patch) | |
| tree | 292389e5b2bc098989c727326858132af43450b0 /drivers/mfd/si476x-i2c.c | |
| parent | Linux 4.7-rc2 (diff) | |
| download | linux-d15d6cf91695674fbabac3b1d2c8a269d9bab5c6.tar.xz linux-d15d6cf91695674fbabac3b1d2c8a269d9bab5c6.zip | |
gpio: 104-dio-48e: Fix control port offset computation off-by-one error
There are only two control ports, each controlling three distinct I/O
ports. To compute the control port address offset for a respective I/O
port, the I/O port address offset should be divided by 3; dividing by 2
may result in not only the wrong address offset but possibly also an
out-of-bounds array memory access for a non-existent third control port.
Fixes: 1b06d64f7374 ("gpio: Add GPIO support for the ACCES 104-DIO-48E")
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/mfd/si476x-i2c.c')
0 files changed, 0 insertions, 0 deletions