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i2c: emev2: avoid race when unregistering slave client
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 8 Aug 2019 19:54:17 +0000 (21:54 +0200)
committerWolfram Sang <wsa@the-dreams.de>
Wed, 14 Aug 2019 12:49:43 +0000 (14:49 +0200)
commitd7437fc0d8291181debe032671a289b6bd93f46f
tree7eabc9f12af39ab71bee73ab3927e84219b5ef94tree | snapshot
parent7b814d852af6944657c2961039f404c4490771c0commit | diff
i2c: emev2: avoid race when unregistering slave client

After we disabled interrupts, there might still be an active one
running. Sync before clearing the pointer to the slave device.

Fixes: c31d0a00021d ("i2c: emev2: add slave support")
Reported-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-emev2.c diff | blob | history
kernel
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