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authorNeilBrown <neilb@suse.de>2006-02-03 12:03:40 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-03 17:31:59 +0100
commit284ae7cab0f7335c9e0aa8992b28415ef1a54c7c (patch)
treebc74bef37ecdceed31a15b4aefd1defccecf4a40 /drivers/md/raid6main.c
parent[PATCH] Clean up Documentation/driver-model/overview.txt (diff)
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[PATCH] md: Handle overflow of mdu_array_info_t->size better
mdu_array_info_t->size is 'int', which isn't big enough for the size (in KB of each component in) some arrays. So rather than a random overflow, set size to -1 when it cannot be set correctly. To update aspect on an array, userspace will sometimes: get_array_info change one field set_array_info in this case, we don't want the '-1' in 'size' to change to size, or look like a size change at all. So test for that in update_array_info. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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