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author | Gerald Schaefer <gerald.schaefer@de.ibm.com> | 2016-11-21 12:13:58 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-09 08:07:49 +0100 |
commit | b988320dab539678a19466834012f75d7883cfc7 (patch) | |
tree | f53aa92d194fa6fd63d2f52e3f1f8d08f23fb58e /kernel/trace/trace_functions_graph.c | |
parent | 656c9abd574bc4be3890cd2d104a422dd93ca3aa (diff) |
s390/vmlogrdr: fix IUCV buffer allocation
commit 5457e03de918f7a3e294eb9d26a608ab8a579976 upstream.
The buffer for iucv_message_receive() needs to be below 2 GB. In
__iucv_message_receive(), the buffer address is casted to an u32, which
would result in either memory corruption or an addressing exception when
using addresses >= 2 GB.
Fix this by using GFP_DMA for the buffer allocation.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
0 files changed, 0 insertions, 0 deletions