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clang compiler warnings: Fix sometimes-initialized warning in func_math

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This patch fixes a bug in a unit test in func_math where a variable could be
passed to ast_free that wasn't allocated. This patch corrects the issue and
ensures that we only attempt to free a variable if we previously allocated
it.

Review: https://reviewboard.asterisk.org/r/4552

ASTERISK-24917
Reported by: dkdegroot
patches:
  rb4552.patch submitted by dkdegroot (License 6600)
........

Merged revisions 434190 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@434191 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2015-04-07 02:09:59 +00:00
parent c027133f6d
commit 488f093e97
1 changed files with 5 additions and 7 deletions
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12
funcs/func_math.c
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@@ -482,13 +482,11 @@ AST_TEST_DEFINE(test_MATH_function)
ast_test_status_update(test, "Testing MATH() substitution ...\n");
if (!(expr = ast_str_create(16)) || !(result = ast_str_create(16))) {
if (expr) {
ast_free(expr);
}
if (result) {
ast_free(result);
}
if (!(expr = ast_str_create(16))) {
return AST_TEST_FAIL;
}
if (!(result = ast_str_create(16))) {
ast_free(expr);
return AST_TEST_FAIL;
}