This patch adds a check for memblock_reserve() call in the
memblock_virt_alloc_internal() function, because memblock_reserve()
can return -errno on fail.
Signed-off-by: Alexander Kuleshov <kuleshovm...@gmail.com>
---
mm/memblock.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/memblock.c b/mm/memblock.c
index 87108e7..73427546 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1298,7 +1298,9 @@ again:
return NULL;
done:
- memblock_reserve(alloc, size);
+ if (memblock_reserve(alloc, size))
+ return NULL;
+
ptr = phys_to_virt(alloc);
memset(ptr, 0, size);
--
2.5.0
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