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-rw-r--r--combine-diff.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/combine-diff.c b/combine-diff.c
index cff9c5dc42..ea3ca5f950 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -714,7 +714,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
result_size = len;
result = xmalloc(len + 1);
while (sz < len) {
- int done = xread(fd, result+sz, len-sz);
+ ssize_t done = xread(fd, result+sz, len-sz);
if (done == 0)
break;
if (done < 0)