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List:       git
Subject:    [PATCH] verify_pack: do not ignore return value of verification function
From:       David Turner <dturner () twopensource ! com>
Date:       2015-11-30 22:47:42
Message-ID: 1448923662-24725-1-git-send-email-dturner () twopensource ! com
[Download RAW message or body]

In verify_pack, a caller-supplied verification function is called.
The function returns an int.  If that return value is non-zero,
verify_pack should fail.

The only caller of verify_pack is in builtin/fsck.c, whose verify_fn
returns a meaningful error code (which was then ignored).  Now, fsck
might return a different error code (with more detail).  This would
happen in the unlikely event that a commit or tree that is a valid git
object but not a valid instance of its type gets into a pack.

Signed-off-by: David Turner <dturner@twopensource.com>
---
 pack-check.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pack-check.c b/pack-check.c
index 63a595c..433bd86 100644
--- a/pack-check.c
+++ b/pack-check.c
@@ -126,7 +126,7 @@ static int verify_packfile(struct packed_git *p,
 				    sha1_to_hex(entries[i].sha1), p->pack_name);
 		else if (fn) {
 			int eaten = 0;
-			fn(entries[i].sha1, type, size, data, &eaten);
+			err |= fn(entries[i].sha1, type, size, data, &eaten);
 			if (eaten)
 				data = NULL;
 		}
-- 
2.4.2.736.g391bb05-twtrsrc

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