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[PATCH] diff: fix a possible null pointer dereference

From
Stefan Beller <stefanbeller@googlemail.com>
Date
Aug 8, 2013, 22:11 UTC
Message-ID
<1375999913-4912-1-git-send-email-stefanbeller@googlemail.com>
In-Reply-To
<7v8v0b96xe.fsf@alter.siamese.dyndns.org>

The condition in the ternary operator was wrong, hence the wrong char pointer could be used as the parameter for show_submodule_summary. one->path may be null, but we definitely need a non null path given to the function.

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Acked-By: Johannes Schindelin <Johannes.Schindelin@gmx.de>
---
 diff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/diff.c b/diff.c
index 80f8439..061694b 100644
--- a/diff.c
+++ b/diff.c
@@ -2252,7 +2252,7 @@ static void builtin_diff(const char *name_a,
 			(!two->mode || S_ISGITLINK(two->mode))) {
 		const char *del = diff_get_color_opt(o, DIFF_FILE_OLD);
 		const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
-		show_submodule_summary(o->file, one ? one->path : two->path,
+		show_submodule_summary(o->file, one->path ? one->path : two->path,
 				line_prefix,
 				one->sha1, two->sha1, two->dirty_submodule,
 				meta, del, add, reset);
-- 
1.8.4.rc1.25.gd121ba2
Previous: Junio C HamanoNext: Philip Oakley
Message 6 of 8 in “diff: remove another ternary expression always evaluating to true”
  1. diff: remove another ternary expression always evaluating to trueStefan Beller, Aug 8, 2013
  2. Johannes SchindelinAug 8, 2013
  3. Stefan BellerAug 8, 2013
  4. Johannes SchindelinAug 8, 2013
  5. Junio C HamanoAug 8, 2013
  6. diff: fix a possible null pointer dereferenceStefan Beller, Aug 8, 2013
  7. Philip OakleyAug 8, 2013
  8. Stefan BellerAug 8, 2013

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