[PATCH v3 6/8] ml/cnxk: check for null pointer before dereference

[Srikanth Yalavarthi]

Fix deference before null check. Issue reported by coverity scan.

Coverity issue: 383665
Fixes: 817e3e55bb18 ("ml/cnxk: support simulator environment")

Signed-off-by: Srikanth Yalavarthi <syalavar...@marvell.com>
---
 drivers/ml/cnxk/cn10k_ml_dev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ml/cnxk/cn10k_ml_dev.c b/drivers/ml/cnxk/cn10k_ml_dev.c
index 6f9a1015a6..bba3c9022e 100644
--- a/drivers/ml/cnxk/cn10k_ml_dev.c
+++ b/drivers/ml/cnxk/cn10k_ml_dev.c
@@ -779,8 +779,8 @@ cn10k_ml_fw_load(struct cn10k_ml_dev *mldev)
        if (roc_env_is_emulator() || roc_env_is_hw()) {
                /* Read firmware image to a buffer */
                ret = rte_firmware_read(fw->path, &fw_buffer, &fw_size);
-               if (ret < 0) {
-                       plt_err("Can't read firmware data: %s\n", fw->path);
+               if ((ret < 0) || (fw_buffer == NULL)) {
+                       plt_err("Unable to read firmware data: %s\n", fw->path);
                        return ret;
                }
 
-- 
2.17.1