From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Fri, 13 May 2011 17:43:23 +0000 (-0400)
Subject: irqbalance: fix where there are no IRQ 0 and it seg faults.
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=26dc9574da19c606bbd551afc2fbc2b63b2a9d6c;p=xentesttools%2Fbootstrap.git

irqbalance: fix where there are no IRQ 0 and it seg faults.
---

diff --git a/root_image/irqbalance/procinterrupts.c b/root_image/irqbalance/procinterrupts.c
index e336efe..cb7d2a3 100644
--- a/root_image/irqbalance/procinterrupts.c
+++ b/root_image/irqbalance/procinterrupts.c
@@ -50,7 +50,7 @@ void parse_proc_interrupts(void)
 		int cpunr;
 		int	 number;
 		uint64_t count;
-		char *c, *c2;
+		char *c, *c2, *err;
 
 		if (getline(&line, &size, file)==0)
 			break;
@@ -64,7 +64,11 @@ void parse_proc_interrupts(void)
 			continue;
 		*c = 0;
 		c++;
-		number = strtoul(line, NULL, 10);
+		number = strtoul(line, &err, 10);
+		/* Man page says that if that happens and number == 0, then it
+		 * failed to parse. */
+		if (err == line && number == 0)
+			continue;
 		count = 0;
 		cpunr = 0;