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From 67d1a3ea5d12b1a9f6ff222b55f42b3536a8a745 Mon Sep 17 00:00:00 2001
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From: Marek 'marx' Grac <mgrac@redhat.com>
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Date: Mon, 2 Mar 2015 10:58:06 +0100
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Subject: [PATCH 08/10] fence_kdump: Fix possible problems according to
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Coverity
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Previously, there was issue detected by Coverity. They do not matter too much
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because we care only about return value and it will not be 0 if program crash.
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But it is always better to have clean code, so fixing.
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Resolves: rhbz#1196068
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---
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fence/agents/kdump/fence_kdump.c | 21 +++++++++++----------
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1 file changed, 11 insertions(+), 10 deletions(-)
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diff --git a/fence/agents/kdump/fence_kdump.c b/fence/agents/kdump/fence_kdump.c
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index 29abbda..781df64 100644
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--- a/fence/agents/kdump/fence_kdump.c
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+++ b/fence/agents/kdump/fence_kdump.c
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@@ -118,21 +118,22 @@ do_action_monitor (void)
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{
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const char cmdline_path[] = "/proc/cmdline";
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FILE *procFile;
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- size_t sz;
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- char *lines;
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- int result;
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+ size_t sz = 0;
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+ char *lines = NULL;
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+ int result = 1;
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procFile = fopen(cmdline_path, "r");
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- sz = 0;
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- while (!feof (procFile)) {
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- getline (&lines, &sz, procFile);
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+ if (procFile == NULL) {
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+ log_error (0, "Unable to open file %s (%s)\n", cmdline_path, strerror (errno));
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+ return 1;
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}
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- if (strstr(lines, "crashkernel=") == NULL) {
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- result = 1;
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- } else {
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- result = 0;
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+ while (!feof (procFile)) {
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+ ssize_t rv = getline (&lines, &sz, procFile);
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+ if ((rv != -1) && (strstr(lines, "crashkernel=") != NULL)) {
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+ result = 0;
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+ }
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}
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free (lines);
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--
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1.9.3
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