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| author | trz <trz> | 2006-07-17 19:01:09 +0000 |
|---|---|---|
| committer | trz <trz> | 2006-07-17 19:01:09 +0000 |
| commit | 22f82362296ee15f05b4331a5ba77b42bba55bc6 (patch) | |
| tree | 3cec5565d05e927174d25c5b2a213e3c4460b650 /tapset/ioblock.stp | |
| parent | ce02d866eaa44c25b151ab78e2b6783a3f0d034b (diff) | |
| download | systemtap-steved-22f82362296ee15f05b4331a5ba77b42bba55bc6.tar.gz systemtap-steved-22f82362296ee15f05b4331a5ba77b42bba55bc6.tar.xz systemtap-steved-22f82362296ee15f05b4331a5ba77b42bba55bc6.zip | |
Fix for bug #2934
Diffstat (limited to 'tapset/ioblock.stp')
| -rw-r--r-- | tapset/ioblock.stp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tapset/ioblock.stp b/tapset/ioblock.stp index 746460cc..484b61f3 100644 --- a/tapset/ioblock.stp +++ b/tapset/ioblock.stp @@ -62,11 +62,12 @@ probe ioblock.end /* Return the block device name */ function bio_devname:string(bio:long) %{ - char b[BDEVNAME_SIZE]; + char b[BDEVNAME_SIZE] = ""; struct bio *bp; bp = (struct bio *) ((unsigned long) THIS->bio); - bdevname(bp->bi_bdev,b); + if (bp->bi_bdev) + bdevname(bp->bi_bdev,b); sprintf(THIS->__retvalue,"%s",b); %} |