net/nfp: fix resource leak

File descriptor is not released in any potential exit path
inside the function.

Coverity issue: 195018
Fixes: f37d8a4b67b2 ("net/nfp: add NSP FW upload command")

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>

diff --git a/drivers/net/nfp/nfp_nspu.c b/drivers/net/nfp/nfp_nspu.c
index a2819a1..3c8cdad 100644 (file)
--- a/drivers/net/nfp/nfp_nspu.c
+++ b/drivers/net/nfp/nfp_nspu.c
@@ -351,12 +351,14 @@ nfp_fw_upload(nspu_desc_t *nspu_desc)
                RTE_LOG(INFO, PMD, "fw file too big: %" PRIu64
                                   " bytes (%" PRIu64 " max)",
                                  (uint64_t)fsize, (uint64_t)size);
+               close(fw_f);
                return -EINVAL;
        }
 
        fw_buf = malloc((size_t)size);
        if (!fw_buf) {
                RTE_LOG(INFO, PMD, "malloc failed for fw buffer");
+               close(fw_f);
                return -ENOMEM;
        }
        memset(fw_buf, 0, size);
@@ -367,12 +369,14 @@ nfp_fw_upload(nspu_desc_t *nspu_desc)
                                   "Just %" PRIu64 " of %" PRIu64 " bytes read.",
                                   (uint64_t)bytes, (uint64_t)fsize);
                free(fw_buf);
+               close(fw_f);
                return -EIO;
        }
 
        ret = nspu_command(nspu_desc, NSP_CMD_FW_LOAD, 0, 1, fw_buf, 0, bytes);
 
        free(fw_buf);
+       close(fw_f);
 
        return ret;
 }