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authorIngo Molnar <mingo@kernel.org>2021-03-18 15:27:03 +0100
committerIngo Molnar <mingo@kernel.org>2021-03-18 15:27:03 +0100
commit14ff3ed86e2c1700345f411b90a78f62867f217e (patch)
tree0eec583be82296fa6359edb59f2921095eef0dc2 /arch/powerpc/lib/sstep.c
parent81519f778830d1ab02274eeaaeab6797fdc4ec52 (diff)
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
downloadlinux-14ff3ed86e2c1700345f411b90a78f62867f217e.tar.gz
Merge tag 'v5.12-rc3' into x86/cleanups, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/lib/sstep.c')
-rw-r--r--arch/powerpc/lib/sstep.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index bb5c20d4ca91..c6aebc149d14 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -904,7 +904,7 @@ static nokprobe_inline int do_vsx_load(struct instruction_op *op,
 	if (!address_ok(regs, ea, size) || copy_mem_in(mem, ea, size, regs))
 		return -EFAULT;
 
-	nr_vsx_regs = size / sizeof(__vector128);
+	nr_vsx_regs = max(1ul, size / sizeof(__vector128));
 	emulate_vsx_load(op, buf, mem, cross_endian);
 	preempt_disable();
 	if (reg < 32) {
@@ -951,7 +951,7 @@ static nokprobe_inline int do_vsx_store(struct instruction_op *op,
 	if (!address_ok(regs, ea, size))
 		return -EFAULT;
 
-	nr_vsx_regs = size / sizeof(__vector128);
+	nr_vsx_regs = max(1ul, size / sizeof(__vector128));
 	preempt_disable();
 	if (reg < 32) {
 		/* FP regs + extensions */