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(parent: 887b692) | patch
i2c: xgene: Avoid dma_buffer overrun
authorHoan Tran <hotran@apm.com>
Mon, 10 Oct 2016 17:13:10 +0000 (10:13 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Nov 2016 15:36:31 +0000 (16:36 +0100)
commiteeb1846df1c89160e5f6720ac2b9584d9686eb4b
treee32f8ceffd8e39dad5ac8e52ad01ef681d9ca8fdtree | snapshot
parent887b692a469f9a9a666654e607103f5204ac5eb7commit | diff
i2c: xgene: Avoid dma_buffer overrun

commit 603616017c35f4d0fbdbcace72adf9bf949c4a65 upstream.

SMBus block command uses the first byte of buffer for the data length.
The dma_buffer should be increased by 1 to avoid the overrun issue.

Reported-by: Phil Endecott <phil_gjouf_endecott@chezphil.org>
Signed-off-by: Hoan Tran <hotran@apm.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/i2c/busses/i2c-xgene-slimpro.c diff | blob | history
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