[PATCH] x86/platform/uv: move kmalloc() NULL check routine

From: Austin Kim
Date: Thu Sep 05 2019 - 19:30:01 EST


The result of kmalloc should have been checked ahead of below statement:
pqp = (struct bau_pq_entry *)vp;

Move BUG_ON(!vp) before above statement.

Signed-off-by: Austin Kim <austindh.kim@xxxxxxxxx>
---
arch/x86/platform/uv/tlb_uv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 20c389a..5f0a96bf 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1804,9 +1804,9 @@ static void pq_init(int node, int pnode)

plsize = (DEST_Q_SIZE + 1) * sizeof(struct bau_pq_entry);
vp = kmalloc_node(plsize, GFP_KERNEL, node);
- pqp = (struct bau_pq_entry *)vp;
- BUG_ON(!pqp);
+ BUG_ON(!vp);

+ pqp = (struct bau_pq_entry *)vp;
cp = (char *)pqp + 31;
pqp = (struct bau_pq_entry *)(((unsigned long)cp >> 5) << 5);

--
2.6.2