[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC PATCH 54/56] qemu-img: blk_getlength() can fail, fix i
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [RFC PATCH 54/56] qemu-img: blk_getlength() can fail, fix img_map() to check |
Date: |
Mon, 7 Aug 2017 16:45:58 +0200 |
Signed-off-by: Markus Armbruster <address@hidden>
---
qemu-img.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/qemu-img.c b/qemu-img.c
index 3ae5fe3..cf3ef3e 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2838,6 +2838,10 @@ static int img_map(int argc, char **argv)
}
length = blk_getlength(blk);
+ if (length < 0) {
+ error_report("Couldn't get length of image '%s': %s",
+ filename, strerror(-length));
+ }
while (curr.start + curr.length < length) {
int64_t nsectors_left;
int64_t sector_num;
--
2.7.5
- [Qemu-devel] [RFC PATCH 27/56] block/dirty-bitmap: Clean up signed vs. unsigned dirty counts, (continued)
- [Qemu-devel] [RFC PATCH 27/56] block/dirty-bitmap: Clean up signed vs. unsigned dirty counts, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 49/56] block: Make ImageCheck file offset unsigned in QAPI, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 34/56] block: Make BlockDeviceStats sizes, offsets unsigned in QAPI/QMP, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 53/56] block: Make blockdev-add byte counts unsigned in QAPI/QMP, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 37/56] blockjob: Make BlockJobInfo and event speed unsigned in QAPI/QMP, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 33/56] block: Make block_resize size unsigned in QAPI/QMP, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 48/56] block: Make mirror buffer size unsigned in QAPI/QMP, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 54/56] qemu-img: blk_getlength() can fail, fix img_map() to check,
Markus Armbruster <=
- [Qemu-devel] [RFC PATCH 14/56] migration: Fix migrate-set-cache-size error reporting, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 51/56] block/nfs: Fix for readahead-size, page-cache-size > INT64_MAX, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 55/56] block: Make MapEntry offsets and size unsigned in QAPI, Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 41/56] blockjob: Lift speed sign conversion out of mirror_start_job(), Markus Armbruster, 2017/08/07
- [Qemu-devel] [RFC PATCH 46/56] blockjob: Make job commands' speed parameter unsigned in QAPI/QMP, Markus Armbruster, 2017/08/07