[PATCH] receive-pack: plug minor memory leak in unpack()

[René Scharfe]

The argv_array used in unpack() is never freed.  Instead of adding
explicit calls to argv_array_clear() use the args member of struct
child_process and let run_command() and friends clean up for us.

Signed-off-by: Rene Scharfe <l....@web.de>
---
 builtin/receive-pack.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index a51846c..443dd37 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1220,7 +1220,6 @@ static const char *pack_lockfile;
 static const char *unpack(int err_fd, struct shallow_info *si)
 {
        struct pack_header hdr;
-       struct argv_array av = ARGV_ARRAY_INIT;
        const char *hdr_err;
        int status;
        char hdr_arg[38];
@@ -1243,16 +1242,16 @@ static const char *unpack(int err_fd, struct 
shallow_info *si)
 
        if (si->nr_ours || si->nr_theirs) {
                alt_shallow_file = setup_temporary_shallow(si->shallow);
-               argv_array_pushl(&av, "--shallow-file", alt_shallow_file, NULL);
+               argv_array_push(&child.args, "--shallow-file");
+               argv_array_push(&child.args, alt_shallow_file);
        }
 
        if (ntohl(hdr.hdr_entries) < unpack_limit) {
-               argv_array_pushl(&av, "unpack-objects", hdr_arg, NULL);
+               argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL);
                if (quiet)
-                       argv_array_push(&av, "-q");
+                       argv_array_push(&child.args, "-q");
                if (fsck_objects)
-                       argv_array_push(&av, "--strict");
-               child.argv = av.argv;
+                       argv_array_push(&child.args, "--strict");
                child.no_stdout = 1;
                child.err = err_fd;
                child.git_cmd = 1;
@@ -1267,13 +1266,12 @@ static const char *unpack(int err_fd, struct 
shallow_info *si)
                if (gethostname(keep_arg + s, sizeof(keep_arg) - s))
                        strcpy(keep_arg + s, "localhost");
 
-               argv_array_pushl(&av, "index-pack",
+               argv_array_pushl(&child.args, "index-pack",
                                 "--stdin", hdr_arg, keep_arg, NULL);
                if (fsck_objects)
-                       argv_array_push(&av, "--strict");
+                       argv_array_push(&child.args, "--strict");
                if (fix_thin)
-                       argv_array_push(&av, "--fix-thin");
-               child.argv = av.argv;
+                       argv_array_push(&child.args, "--fix-thin");
                child.out = -1;
                child.err = err_fd;
                child.git_cmd = 1;
-- 
2.1.2

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