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(parent: 1f7e489) | patch
mei: amthif: don't copy from an empty buffer
authorAlexander Usyskin <alexander.usyskin@intel.com>
Sun, 7 Feb 2016 21:35:21 +0000 (23:35 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 7 Feb 2016 22:47:20 +0000 (14:47 -0800)
commit5ba0bf476c792b91543da77e0bdec311b0eaa8f7
treeb6507792959bb0f4a828cc5e56e20dc88836493atree | snapshot
parent1f7e489a285c8b1aca9a7b66a55bbc95eb031721commit | diff
mei: amthif: don't copy from an empty buffer

If empty message come from FW (buf_idx == 0) then the current code will
still try to copy data from not filled buffer to the user-space,
instead the code should behave the same as when end of a message
has been reached, clean resources and return 0

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/amthif.c diff | blob | history
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