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Fix NULL dereference in buffer-based allocator

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Manuel Pégourié-Gonnard 2014-11-26 15:42:16 +01:00 • committed by Paul Bakker
parent 765bb31d24
commit 547ff6618f
2 changed files with 8 additions and 1 deletions
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3
library/memory_buffer_alloc.c
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@ -484,7 +484,8 @@ static void buffer_alloc_free( void *ptr )
if( old == NULL )
{
hdr->next_free = heap.first_free;
heap.first_free->prev_free = hdr;
if( heap.first_free != NULL )
heap.first_free->prev_free = hdr;
heap.first_free = hdr;
}