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| author | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2007-05-24 10:50:07 +0100 |
|---|---|---|
| committer | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2007-05-24 10:50:07 +0100 |
| commit | 541b4e900d8e107abf072dece763a587a09dde0c (patch) | |
| tree | f9896dc16537e6cdaacfe4e7e4d316eb76eb2f46 /tools/blktap | |
| parent | b9cc5236c73851d946f2e897cb8229a6de9ca6c8 (diff) | |
| download | xen-541b4e900d8e107abf072dece763a587a09dde0c.tar.gz xen-541b4e900d8e107abf072dece763a587a09dde0c.tar.bz2 xen-541b4e900d8e107abf072dece763a587a09dde0c.zip | |
blktap: Add one more error reason statement to blktapctrl
blktapctrl already prints out exits reasons for all goto's to
open_failed except of not finding a device number for blktap0
This patch adds just that message so the user will get more info than
just "Unable to start blktapctrl"
Common source of this issue is that blktap is missing/failed to
load/...
Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Diffstat (limited to 'tools/blktap')
| -rw-r--r-- | tools/blktap/drivers/blktapctrl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/blktap/drivers/blktapctrl.c b/tools/blktap/drivers/blktapctrl.c index 42b74b3c7a..a0b2f349d0 100644 --- a/tools/blktap/drivers/blktapctrl.c +++ b/tools/blktap/drivers/blktapctrl.c @@ -690,8 +690,10 @@ int main(int argc, char *argv[]) /* Attach to blktap0 */ asprintf(&devname,"%s/%s0", BLKTAP_DEV_DIR, BLKTAP_DEV_NAME); - if ((ret = xc_find_device_number("blktap0")) < 0) + if ((ret = xc_find_device_number("blktap0")) < 0) { + DPRINTF("couldn't find device number for 'blktap0'\n"); goto open_failed; + } blktap_major = major(ret); make_blktap_dev(devname,blktap_major,0); ctlfd = open(devname, O_RDWR); |