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From 6a1da829eaa1eee3e854f0cadc0b6effff776ab4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@redhat.com>
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Date: Mon, 15 May 2017 11:54:00 +0200
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Subject: [PATCH 1/2] CACHE_REQ: Avoid using of uninitialized value
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Commit 4ef0b19a introduced the following warning, as "req" may be used
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without being initialized:
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src/responder/common/cache_req/cache_req_search.c:
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In function 'cache_req_search_done':
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src/responder/common/cache_req/cache_req_search.c:467:9:
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error: 'req' may be used uninitialized in this function
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[-Werror=maybe-uninitialized]
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tevent_req_error(req, ret);
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^
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src/responder/common/cache_req/cache_req_search.c:424:24:
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note: 'req' was declared here
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struct tevent_req *req;
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^
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cc1: all warnings being treated as errors
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In order to fix the issue above, let's just allocate tmp_ctx after "req"
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is already set.
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Related:
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https://pagure.io/SSSD/sssd/issue/3362
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Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
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Co-Author: Lukáš Slebodník <lslebodn@redhat.com>
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Reviewed-by: Sumit Bose <sbose@redhat.com>
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---
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src/responder/common/cache_req/cache_req_search.c | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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diff --git a/src/responder/common/cache_req/cache_req_search.c b/src/responder/common/cache_req/cache_req_search.c
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index 793dbc5042ae329b2cade5d1eb5a6d41102e264f..70448a7639bc9f98d380b8edce9d130adfa0ceb2 100644
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--- a/src/responder/common/cache_req/cache_req_search.c
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+++ b/src/responder/common/cache_req/cache_req_search.c
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@@ -425,18 +425,18 @@ static void cache_req_search_done(struct tevent_req *subreq)
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struct ldb_result *result = NULL;
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errno_t ret;
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- tmp_ctx = talloc_new(NULL);
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- if (tmp_ctx == NULL) {
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- ret = ENOMEM;
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- goto done;
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- }
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-
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req = tevent_req_callback_data(subreq, struct tevent_req);
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state = tevent_req_data(req, struct cache_req_search_state);
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state->dp_success = state->cr->plugin->dp_recv_fn(subreq, state->cr);
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talloc_zfree(subreq);
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+ tmp_ctx = talloc_new(NULL);
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+ if (tmp_ctx == NULL) {
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+ ret = ENOMEM;
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+ goto done;
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+ }
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+
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/* Get result from cache again. */
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ret = cache_req_search_cache(tmp_ctx, state->cr, &result);
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if (ret != EOK) {
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--
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2.9.3
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