55 lines
3.5 KiB
Diff
55 lines
3.5 KiB
Diff
From 77c10205bb337585c320e91af4b416f2dcc6faba Mon Sep 17 00:00:00 2001
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From: Tom Gundersen <teg@jklm.no>
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Date: Thu, 18 Sep 2014 13:47:00 +0200
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Subject: [PATCH] shared: conf-parser - don't leak memory on error in
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DEFINE_CONFIG_PARSE_ENUMV
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Found by Coverity. Fixes CID #1237746.
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---
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src/shared/conf-parser.h | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h
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index 94185152cd..62f2a01e5e 100644
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--- a/src/shared/conf-parser.h
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+++ b/src/shared/conf-parser.h
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@@ -169,7 +169,8 @@ int log_syntax_internal(const char *unit, int level,
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void *data, \
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void *userdata) { \
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\
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- type **enums = data, *xs, x, *ys; \
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+ type **enums = data, x, *ys; \
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+ _cleanup_free_ type *xs = NULL; \
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const char *word, *state; \
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size_t l, i = 0; \
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\
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@@ -186,6 +187,7 @@ int log_syntax_internal(const char *unit, int level,
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\
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FOREACH_WORD(word, l, rvalue, state) { \
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_cleanup_free_ char *en = NULL; \
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+ type *new_xs; \
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\
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en = strndup(word, l); \
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if (!en) \
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@@ -211,8 +213,10 @@ int log_syntax_internal(const char *unit, int level,
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continue; \
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\
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*(xs + i) = x; \
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- xs = realloc(xs, (++i + 1) * sizeof(type)); \
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- if (!xs) \
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+ new_xs = realloc(xs, (++i + 1) * sizeof(type)); \
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+ if (new_xs) \
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+ xs = new_xs; \
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+ else \
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return -ENOMEM; \
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\
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*(xs + i) = invalid; \
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@@ -220,5 +224,7 @@ int log_syntax_internal(const char *unit, int level,
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\
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free(*enums); \
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*enums = xs; \
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+ xs = NULL; \
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+ \
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return 0; \
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}
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