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cgit_print_tree(): Free curr_rev after usage

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Fixes following memory leak seen with "PATH_INFO=/cgit/tree/":

    ==15715== 7 bytes in 1 blocks are definitely lost in loss record 4 of 51
    ==15715==    at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
    ==15715==    by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so)
    ==15715==    by 0x46CAA8: xstrdup (wrapper.c:35)
    ==15715==    by 0x418A4C: cgit_print_tree (ui-tree.c:274)
    ==15715==    by 0x407D91: tree_fn (cmd.c:131)
    ==15715==    by 0x405E16: process_request (cgit.c:574)
    ==15715==    by 0x4074C8: cache_process (cache.c:322)
    ==15715==    by 0x406C4F: main (cgit.c:872)

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
This commit is contained in:
Lukas Fleischer 2013-03-04 13:25:36 +01:00 committed by Jason A. Donenfeld
parent 0ffdc46f08
commit 985d6ca7e7
1 changed files with 6 additions and 2 deletions
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8
ui-tree.c
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@ -271,7 +271,6 @@ void cgit_print_tree(const char *rev, char *path)
if (!rev)
rev = ctx.qry.head;
walk_tree_ctx.curr_rev = xstrdup(rev);
if (get_sha1(rev, sha1)) {
cgit_print_error(fmt("Invalid revision name: %s", rev));
return;
@ -282,12 +281,17 @@ void cgit_print_tree(const char *rev, char *path)
return;
}
walk_tree_ctx.curr_rev = xstrdup(rev);
if (path == NULL) {
ls_tree(commit->tree->object.sha1, NULL, &walk_tree_ctx);
return;
goto cleanup;
}
read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
if (walk_tree_ctx.state == 1)
ls_tail();
cleanup:
free(walk_tree_ctx.curr_rev);
}