loopback lib clears the existing FD unconditionally at error in
loopcxt_setup_device(). This is done even after EBUSY, thus the second call
actually clears the previous setup wrongly.
Author: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Stanislav Brabec <sbrabec@xxxxxxx>
---
lib/loopdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/loopdev.c b/lib/loopdev.c
index 1fbb000..988f3d3 100644
--- a/lib/loopdev.c
+++ b/lib/loopdev.c
@@ -1294,7 +1294,7 @@ int loopcxt_setup_device(struct loopdev_cxt *lc)
err:
if (file_fd >= 0)
close(file_fd);
- if (dev_fd >= 0)
+ if (dev_fd >= 0 && rc != -EBUSY)
ioctl(dev_fd, LOOP_CLR_FD, 0);
DBG(lc, loopdev_debug("setup failed [rc=%d]", rc));
--
1.8.4.5
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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