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| author | Joshua Scott <joshua.scott@alliedtelesis.co.nz> | 2015-05-22 03:35:12 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-06-01 17:53:55 +0300 |
| commit | b6ac1280b6969607c5a01e316cc4ab693490c333 (patch) | |
| tree | 08f9f9f49b0014d3942d9cf34b5280aff50239ef /drivers/gpio/gpio-stp-xway.c | |
| parent | 121dcb760426ca67ee90a8b2db6a75eee010f8e3 (diff) | |
| download | linux-b6ac1280b6969607c5a01e316cc4ab693490c333.tar.xz | |
gpio: Prevent an integer overflow in the pca953x driver
Interrupts were missed if an 8-bit integer overflow occurred. This was
observed when bank0,pin7 and bank1,pin7 changed simultaniously.
As the 8-bit totals were only checked against zero, replace them with
booleans. Name the booleans so that their purpose is clear.
Signed-off-by: Joshua Scott <joshua.scott@alliedtelesis.co.nz>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-stp-xway.c')
0 files changed, 0 insertions, 0 deletions