grubby/SOURCES/0011-Don-t-leak-from-one-extractTitle-call.patch
2021-09-09 18:06:06 +00:00

86 lines
2.5 KiB
Diff

From 38d8178482ea7dabf7c4ab8c2973faa2b469e9c7 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Thu, 2 Jul 2015 16:26:59 -0400
Subject: [PATCH 11/55] Don't leak from one extractTitle() call.
Found by coverity.
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grubby.c | 27 +++++++++++++++++----------
1 file changed, 17 insertions(+), 10 deletions(-)
diff --git a/grubby.c b/grubby.c
index 0bb486967bf..70477ba14ee 100644
--- a/grubby.c
+++ b/grubby.c
@@ -1510,13 +1510,14 @@ static struct grubConfig * readConfig(const char * inName,
return cfg;
}
-static void writeDefault(FILE * out, char * indent,
+static void writeDefault(FILE * out, char * indent,
char * separator, struct grubConfig * cfg) {
struct singleEntry * entry;
struct singleLine * line;
int i;
- if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT) return;
+ if (!cfg->defaultImage && cfg->flags == GRUB_CONFIG_NO_DEFAULT)
+ return;
if (cfg->defaultImage == DEFAULT_SAVED)
fprintf(out, "%sdefault%ssaved\n", indent, separator);
@@ -1540,34 +1541,40 @@ static void writeDefault(FILE * out, char * indent,
fprintf(out, "%sset default=\"%d\"\n", indent,
cfg->defaultImage);
} else {
- fprintf(out, "%sdefault%s%d\n", indent, separator,
+ fprintf(out, "%sdefault%s%d\n", indent, separator,
cfg->defaultImage);
}
} else {
int image = cfg->defaultImage;
entry = cfg->entries;
- while (entry && entry->skip) entry = entry->next;
+ while (entry && entry->skip)
+ entry = entry->next;
i = 0;
while (entry && i < image) {
entry = entry->next;
- while (entry && entry->skip) entry = entry->next;
+ while (entry && entry->skip)
+ entry = entry->next;
i++;
}
- if (!entry) return;
+ if (!entry)
+ return;
line = getLineByType(LT_TITLE, entry->lines);
if (line && line->numElements >= 2)
- fprintf(out, "%sdefault%s%s\n", indent, separator,
+ fprintf(out, "%sdefault%s%s\n", indent, separator,
line->elements[1].item);
- else if (line && (line->numElements == 1) &&
+ else if (line && (line->numElements == 1) &&
cfg->cfi->titleBracketed) {
- fprintf(out, "%sdefault%s%s\n", indent, separator,
- extractTitle(cfg, line));
+ char *title = extractTitle(cfg, line);
+ if (title) {
+ fprintf(out, "%sdefault%s%s\n", indent, separator, title);
+ free(title);
+ }
}
}
}
--
2.17.1