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authorMauro Carvalho Chehab <mchehab@infradead.org>2007-01-14 10:14:17 -0200
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-01-15 16:25:28 -0200
commit35d6270b806562b37279d3970fa477aaeb372829 (patch)
tree745d97e7fdb2d650c4bb9167a3f53e0249e1a8a4 /drivers/net/mipsnet.h
parentc430ca1e16b2b4b30f567806c73e270caea8db1d (diff)
V4L/DVB (5020): Fix: disable interrupts while at KM_BOUNCE_READ
vivi.c uses the KM_BOUNCE_READ with local interrupts enabled. This means that if a disk interrupt occurs while vivi.c is using this fixmap slot, the vivi.c driver will, upon return from that interrupt, find that the fixmap slot now points at a different physical page. The net result will probably be rare corruption of disk file contents, because viv.c will now be altering the page which the disk code was recently using. Thanks to Andrew Morton for pointing this. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/net/mipsnet.h')
0 files changed, 0 insertions, 0 deletions