On 12/30/21 3:03 PM, Zizhuang Deng wrote:
Add the return value check of kcalloc() to avoid potential
NULL ptr dereference.
Signed-off-by: Zizhuang Deng <redacted>
---
Reviewed-by: Tianjia Zhang <redacted>
Best regards,
Tianjia
quoted hunk ↗ jump to hunk
lib/mpi/mpi-mod.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/mpi/mpi-mod.c b/lib/mpi/mpi-mod.c
index 47bc59edd4ff..54fcc01564d9 100644
--- a/lib/mpi/mpi-mod.c
+++ b/lib/mpi/mpi-mod.c
@@ -40,6 +40,8 @@ mpi_barrett_t mpi_barrett_init(MPI m, int copy)
mpi_normalize(m);
ctx = kcalloc(1, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return NULL;
if (copy) {
ctx->m = mpi_copy(m);