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s390/vmlogrdr: fix array access in vmlogrdr_open()
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 14 Oct 2013 12:26:08 +0000 (14:26 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 15 Oct 2013 11:47:59 +0000 (13:47 +0200)
commit9784bd4f1a6ea736ad9bf241f5a965e0a2913a5e
tree8e738103f83aa9a6b40baf1ddfc66cbf43098a45tree | snapshot (tar.gz zip)
parent0ebfd313fd4baf3fa1bd02d5f106e377595d4987commit | diff
s390/vmlogrdr: fix array access in vmlogrdr_open()

Fix check within vmlogrdr_open() if the minor address is not larger
than the number of array elements.

Found with "smatch":

drivers/s390/char/vmlogrdr.c:318 vmlogrdr_open() warn:
  buffer overflow 'sys_ser' 3 <= 3

Acked-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/char/vmlogrdr.c diff | blob | blame | history