[Qemu-devel] [PATCH 2/3] usb-mtp: handle lseek failure

[Gerd Hoffmann]

Cc: Dr. David Alan Gilbert <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
 hw/usb/dev-mtp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index c2750e4..a95298b 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -702,7 +702,10 @@ static MTPData *usb_mtp_get_partial_object(MTPState *s, 
MTPControl *c,
     if (offset > o->stat.st_size) {
         offset = o->stat.st_size;
     }
-    lseek(d->fd, offset, SEEK_SET);
+    if (lseek(d->fd, offset, SEEK_SET) < 0) {
+        usb_mtp_data_free(d);
+        return NULL;
+    }
 
     d->length = c->argv[2];
     if (d->length > o->stat.st_size - offset) {
-- 
1.8.3.1