[dpdk-dev] [PATCH] examples/ntb: fix error handling

Xiaoyun Li xiaoyun.li at intel.com
Mon Aug 5 07:03:13 CEST 2019


This patch adds return value checking for fseek function to fix
error handling issue found by coverity scan.

Coverity issue: 344996
Fixes: c5eebf85badc ("examples/ntb: add example for NTB")
Cc: stable at dpdk.org

Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
---
 examples/ntb/ntb_fwd.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/examples/ntb/ntb_fwd.c b/examples/ntb/ntb_fwd.c
index c169f01a3..671b13f50 100644
--- a/examples/ntb/ntb_fwd.c
+++ b/examples/ntb/ntb_fwd.c
@@ -107,6 +107,7 @@ cmd_sendfile_parsed(void *parsed_result,
 	uint8_t *buff;
 	uint32_t val;
 	FILE *file;
+	int status;
 
 	if (!rte_rawdevs[dev_id].started) {
 		printf("Device needs to be up first. Try later.\n");
@@ -125,9 +126,17 @@ cmd_sendfile_parsed(void *parsed_result,
 		return;
 	}
 
-	fseek(file, 0, SEEK_END);
+	status = fseek(file, 0, SEEK_END);
+	if (status) {
+		printf("Fail to get file size.\n");
+		return;
+	}
 	size = ftell(file);
-	fseek(file, 0, SEEK_SET);
+	status = fseek(file, 0, SEEK_SET);
+	if (status) {
+		printf("Fail to get file size.\n");
+		return;
+	}
 
 	/**
 	 * No FIFO now. Only test memory. Limit sending file
-- 
2.17.1



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