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authorAustin Kim <austindh.kim@gmail.com>2019-09-06 08:29:51 +0900
committerIngo Molnar <mingo@kernel.org>2019-09-06 07:36:16 +0200
commit864b23f0169d5bff677e8443a7a90dfd6b090afc (patch)
tree3d598afa5ff0ed95fe38bf180ee0650de7ca407a /arch/x86/platform/uv
parentf49dcd1aba4374c56bc77100e2d146884d2238c1 (diff)
x86/platform/uv: Fix kmalloc() NULL check routine
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@gmail.com> Cc: Dimitri Sivanich <dimitri.sivanich@hpe.com> Cc: Hedi Berriche <hedi.berriche@hpe.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Travis <mike.travis@hpe.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <russ.anderson@hpe.com> Cc: Steve Wahl <steve.wahl@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: allison@lohutok.net Cc: andy@infradead.org Cc: armijn@tjaldur.nl Cc: bp@alien8.de Cc: dvhart@infradead.org Cc: gregkh@linuxfoundation.org Cc: hpa@zytor.com Cc: kjlu@umn.edu Cc: platform-driver-x86@vger.kernel.org Link: https://lkml.kernel.org/r/20190905232951.GA28779@LGEARND20B15 Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/platform/uv')
-rw-r--r--arch/x86/platform/uv/tlb_uv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 20c389a91b80..5f0a96bf27a1 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);