[PATCH v3 06/25] get_mail_commit_oid(): avoid resource leak

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When we fail to read, or parse, the file, we still want to close the file
descriptor and release the strbuf.

Reported via Coverity.

Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
 builtin/am.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/builtin/am.c b/builtin/am.c
index a95dd8b4e6c..9c5c2c778e2 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1351,19 +1351,16 @@ static int get_mail_commit_oid(struct object_id *commit_id, const char *mail)
 	struct strbuf sb = STRBUF_INIT;
 	FILE *fp = xfopen(mail, "r");
 	const char *x;
+	int ret = 0;
 
-	if (strbuf_getline_lf(&sb, fp))
-		return -1;
-
-	if (!skip_prefix(sb.buf, "From ", &x))
-		return -1;
-
-	if (get_oid_hex(x, commit_id) < 0)
-		return -1;
+	if (strbuf_getline_lf(&sb, fp) ||
+	    !skip_prefix(sb.buf, "From ", &x) ||
+	    get_oid_hex(x, commit_id) < 0)
+		ret = -1;
 
 	strbuf_release(&sb);
 	fclose(fp);
-	return 0;
+	return ret;
 }
 
 /**
-- 
2.12.2.windows.2.800.gede8f145e06





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