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(parent: 2985712) | patch
Blackfin: add some bounds checking to peripheral_request
authorBarry Song <barry.song@analog.com>
Wed, 16 Sep 2009 04:36:29 +0000 (04:36 +0000)
committerMike Frysinger <vapier@gentoo.org>
Tue, 15 Dec 2009 05:13:46 +0000 (00:13 -0500)
commit89e84eeace5924f29a4f8f25cce9fcb083969974
tree95f2471d436918a2673c2a636594ea6c119210a5tree | snapshot (tar.gz zip)
parent298571249a1990cd3c6c6ab40250a4a9c18ab5d1commit | diff
Blackfin: add some bounds checking to peripheral_request

The requested peripheral is turned into an index into some state arrays,
so make sure the calculated index doesn't exceed the index.  This occurs
when using bogus pin values or the define headers are screwed up.  Now
we'll notice right away that something needs fixing instead of trying to
track down random memory corruption.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
arch/blackfin/kernel/bfin_gpio.c diff | blob | blame | history