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33 lines
851 B
33 lines
851 B
From 9214f2a4002bafef73c9593464ab3841ba7bac12 Mon Sep 17 00:00:00 2001
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From: Michael Heimpold <michael.heimpold@i2se.com>
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Date: Tue, 18 Dec 2018 14:49:37 +0100
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Subject: [PATCH 2/9] Cleanup memory in error case
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In case that we leave due to malformed string,
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free the allocated memory before returning.
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Signed-off-by: Michael Heimpold <michael.heimpold@i2se.com>
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Cc: Michael Heimpold <mhei@heimpold.de>
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---
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lsmmc.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/lsmmc.c b/lsmmc.c
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index e514c83..a53bc57 100644
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--- a/lsmmc.c
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+++ b/lsmmc.c
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@@ -378,8 +378,10 @@ char *to_binstr(char *hexstr)
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return NULL;
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while (hexstr && *hexstr != '\0') {
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- if (!isxdigit(*hexstr))
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+ if (!isxdigit(*hexstr)) {
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+ free(binstr);
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return NULL;
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+ }
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if (isdigit(*hexstr))
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strcat(binstr, bindigits[*hexstr - '0']);
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--
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2.17.1
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