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From 7713f8e23e326dcf1258a715e2554a4bf53dec59 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Thu, 2 Jul 2015 16:26:59 -0400
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Subject: [PATCH] Don't leak from one extractTitle() call.
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Found by coverity.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grubby.c | 27 +++++++++++++++++----------
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1 file changed, 17 insertions(+), 10 deletions(-)
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diff --git a/grubby.c b/grubby.c
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index 0bb4869..70477ba 100644
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--- a/grubby.c
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+++ b/grubby.c
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@@ -1510,13 +1510,14 @@ static struct grubConfig * readConfig(const char * inName,
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return cfg;
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}
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-static void writeDefault(FILE * out, char * indent,
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+static void writeDefault(FILE * out, char * indent,
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char * separator, struct grubConfig * cfg) {
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struct singleEntry * entry;
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struct singleLine * line;
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int i;
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- if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return;
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+ if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)
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+ return;
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if (cfg->defaultImage == DEFAULT_SAVED)
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fprintf(out, "%sdefault%ssaved\n", indent, separator);
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@@ -1540,34 +1541,40 @@ static void writeDefault(FILE * out, char * indent,
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fprintf(out, "%sset default=\"%d\"\n", indent,
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cfg->defaultImage);
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} else {
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- fprintf(out, "%sdefault%s%d\n", indent, separator,
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+ fprintf(out, "%sdefault%s%d\n", indent, separator,
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cfg->defaultImage);
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}
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} else {
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int image = cfg->defaultImage;
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entry = cfg->entries;
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- while (entry && entry->skip) entry = entry->next;
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+ while (entry && entry->skip)
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+ entry = entry->next;
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i = 0;
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while (entry && i < image) {
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entry = entry->next;
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- while (entry && entry->skip) entry = entry->next;
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+ while (entry && entry->skip)
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+ entry = entry->next;
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i++;
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}
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- if (!entry) return;
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+ if (!entry)
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+ return;
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line = getLineByType(LT_TITLE, entry->lines);
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if (line && line->numElements >= 2)
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- fprintf(out, "%sdefault%s%s\n", indent, separator,
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+ fprintf(out, "%sdefault%s%s\n", indent, separator,
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line->elements[1].item);
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- else if (line && (line->numElements == 1) &&
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+ else if (line && (line->numElements == 1) &&
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cfg->cfi->titleBracketed) {
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- fprintf(out, "%sdefault%s%s\n", indent, separator,
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- extractTitle(cfg, line));
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+ char *title = extractTitle(cfg, line);
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+ if (title) {
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+ fprintf(out, "%sdefault%s%s\n", indent, separator, title);
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+ free(title);
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+ }
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}
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}
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}
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--
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2.4.3
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