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(parent: d93ac51) | patch
i2c-core: Erase pointer to clientdata on removal
authorWolfram Sang <w.sang@pengutronix.de>
Tue, 4 May 2010 09:09:27 +0000 (11:09 +0200)
committerJean Delvare <khali@linux-fr.org>
Tue, 4 May 2010 09:09:27 +0000 (11:09 +0200)
commite4a7b9b04de15f6b63da5ccdd373ffa3057a3681
tree7f2f49df9dc66b334b85f83347df03d2b0d0a721tree | snapshot (tar.gz zip)
parentd93ac51c7a129db7a1431d859a3ef45a0b1f3fc5commit | diff
i2c-core: Erase pointer to clientdata on removal

After discovering that a lot of i2c-drivers leave the pointer to their
clientdata dangling, it was decided to let the core handle this issue.
It is assumed that the core may access the private data after remove()
as there are no guarantees for the lifetime of such pointers anyhow (see
thread starting at http://lkml.org/lkml/2010/3/21/68)

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Documentation/i2c/writing-clients diff | blob | blame | history
drivers/i2c/i2c-core.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)