[dpdk-dev] [PATCH] bus/pci: correct the earlier strlcpy conversion

Andy Green andy at warmcat.com
Tue May 15 09:31:00 CEST 2018


Fixes: fe5f777b5383 ("bus/pci: replace strncpy by strlcpy")
Signed-off-by: Andy Green <andy at warmcat.com>
---
 drivers/bus/pci/linux/pci.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
index a73ee49c2..004600f1c 100644
--- a/drivers/bus/pci/linux/pci.c
+++ b/drivers/bus/pci/linux/pci.c
@@ -33,7 +33,8 @@
 extern struct rte_pci_bus rte_pci_bus;
 
 static int
-pci_get_kernel_driver_by_path(const char *filename, char *dri_name)
+pci_get_kernel_driver_by_path(const char *filename, char *dri_name,
+			      size_t len)
 {
 	int count;
 	char path[PATH_MAX];
@@ -54,7 +55,7 @@ pci_get_kernel_driver_by_path(const char *filename, char *dri_name)
 
 	name = strrchr(path, '/');
 	if (name) {
-		strlcpy(dri_name, name + 1, sizeof(dri_name));
+		strlcpy(dri_name, name + 1, len);
 		return 0;
 	}
 
@@ -314,7 +315,7 @@ pci_scan_one(const char *dirname, const struct rte_pci_addr *addr)
 
 	/* parse driver */
 	snprintf(filename, sizeof(filename), "%s/driver", dirname);
-	ret = pci_get_kernel_driver_by_path(filename, driver);
+	ret = pci_get_kernel_driver_by_path(filename, driver, sizeof(driver));
 	if (ret < 0) {
 		RTE_LOG(ERR, EAL, "Fail to get kernel driver\n");
 		free(dev);



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