lib/rsa: correct check after allocation in fdt_add_bignum()

After allocating to pointer ctx we should check that pointer and not
another pointer already checked above.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/lib/rsa/rsa-sign.c b/lib/rsa/rsa-sign.c
index 40ca1e1..1f0d81b 100644 (file)
--- a/lib/rsa/rsa-sign.c
+++ b/lib/rsa/rsa-sign.c
@@ -708,7 +708,7 @@ static int fdt_add_bignum(void *blob, int noffset, const char *prop_name,
                return -ENOMEM;
        }
        ctx = BN_CTX_new();
-       if (!tmp) {
+       if (!ctx) {
                fprintf(stderr, "Out of memory (bignum context)\n");
                return -ENOMEM;
        }