portid.c: Preserve routepath string in str2drpath

From: Vladimir Koushnir <vladimirk-VPRAkNaXOzVWk0Htik3J/[email protected]>
Date: Tue, 28 Apr 2015 18:35:28 +0300

In str2drpath, preserve routepath string rather than modifying it.

Signed-off-by Vladimir Koushnir <vladimirk-VPRAkNaXOzVWk0Htik3J/[email protected]>

Signed-off-by Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/[email protected]>

---
 src/portid.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

src/portid.c +10 -1

index ceb685e..40754fe 100644
@@ -82,11 +82,18 @@ char *portid2str(ib_portid_t * portid)
 
 int str2drpath(ib_dr_path_t * path, char *routepath, int drslid, int drdlid)
 {
-	char *s, *str = routepath;
+	char *s, *str;
+	char *tmp;
 
 	path->cnt = -1;
 
+	if (!routepath || !(tmp = strdup(routepath)))
+		goto Exit;
+
 	DEBUG("DR str: %s", routepath);
+
+	str = tmp;
+
 	while (str && *str) {
 		if ((s = strchr(str, ',')))
 			*s = 0;

@@ -95,7 +102,9 @@ int str2drpath(ib_dr_path_t * path, char *routepath, int drslid, int drdlid)
 			break;
 		str = s + 1;
 	}
+	free(tmp);
 
+Exit:
 	path->drdlid = drdlid ? drdlid : 0xffff;
 	path->drslid = drslid ? drslid : 0xffff;
 

Signature · 6 lines

1.7.8.2

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