The patch titled Subject: btree: catch NULL value before it does harm has been removed from the -mm tree. Its filename was btree-catch-null-value-before-it-does-harm.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ From: Joern Engel <joern@xxxxxxxxx> Subject: 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@xxxxxxxxx> Signed-off-by: Roland Dreier <roland@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/btree.c | 1 + 1 file changed, 1 insertion(+) diff -puN lib/btree.c~btree-catch-null-value-before-it-does-harm lib/btree.c --- a/lib/btree.c~btree-catch-null-value-before-it-does-harm +++ a/lib/btree.c @@ -509,6 +509,7 @@ retry: int btree_insert(struct btree_head *head, struct btree_geo *geo, unsigned long *key, void *val, gfp_t gfp) { + BUG_ON(!val); return btree_insert_level(head, geo, key, val, 1, gfp); } EXPORT_SYMBOL_GPL(btree_insert); _ Patches currently in -mm which might be from joern@xxxxxxxxx are origin.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html