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authorJoern Engel <joern@logfs.org>2012-06-07 23:21:14 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2012-06-07 23:43:55 +0200
commit39caa0916ef27cf1da5026eb708a2b8413156f75 (patch)
tree8cabf096e8a485ac623883ad57064ca1d18f253b /Documentation/input/bcm5974.txt
parentbtree: fix tree corruption in btree_get_prev() (diff)
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btree: catch NULL value before it does harm
Storing NULL values in the btree is illegal and can lead to memory corruption and possible other fun as well. Catch it on insert, instead of waiting for the inevitable. Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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