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linux-stable-mirror/lib/radix-tree.c
Matthew Wilcox (Oracle) b7e9728f3d idr: Fix idr_alloc_u32 on 32-bit systems 
Attempting to allocate an entry at 0xffffffff when one is already
present would succeed in allocating one at 2^32, which would confuse
everything.  Return -ENOSPC in this case, as expected.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2019-11-03 06:36:50 -05:00

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