tequilaOS/platform_system_core
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Possible null pointer miss on realloc

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Realloc can return null pointer which
will cause a crash then. Patch introduces
check for controlled 'die' in case memory is
not available

Change-Id: I279028339b1fe756d8a511834e164e59d4cab110
This commit is contained in:
Mikhail Lappo 2017-03-23 22:17:27 +01:00
parent c0ca39c41a
commit 26464914fe
1 changed files with 2 additions and 0 deletions
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2
cpio/mkbootfs.c
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@ -301,6 +301,7 @@ static void read_canned_config(char* filename)
allocated *= 2;
canned_config = (struct fs_config_entry*)realloc(
canned_config, allocated * sizeof(struct fs_config_entry));
if (canned_config == NULL) die("failed to reallocate memory");
}
struct fs_config_entry* cc = canned_config + used;
@ -320,6 +321,7 @@ static void read_canned_config(char* filename)
++allocated;
canned_config = (struct fs_config_entry*)realloc(
canned_config, allocated * sizeof(struct fs_config_entry));
if (canned_config == NULL) die("failed to reallocate memory");
}
canned_config[used].name = NULL;