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| author | Anton Blanchard <anton@samba.org> | 2007-10-26 14:00:14 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-29 09:18:03 +0100 |
| commit | 30fa0d0f0c0ab2aa0d4c2f88eda49eaa19ea6f8d (patch) | |
| tree | 1d6ef70f9e3b512c34c5ae7082eccf8464801f43 /drivers | |
| parent | Initialise scatter/gather list in ata_sg_setup (diff) | |
| download | linux-30fa0d0f0c0ab2aa0d4c2f88eda49eaa19ea6f8d.tar.xz linux-30fa0d0f0c0ab2aa0d4c2f88eda49eaa19ea6f8d.zip | |
Initialise scatter/gather list in sg driver
After turning on DEBUG_SG I hit a fail:
kernel BUG at include/linux/scatterlist.h:50!
sg_build_indirect
sg_build_reserve
sg_open
chrdev_open
__dentry_open
do_filp_open
do_sys_open
We should initialise the sg list when we allocate it in sg_build_sgat.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/sg.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index b5fa4f091387..f1871ea04045 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1652,6 +1652,7 @@ sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize) schp->buffer = kzalloc(sg_bufflen, gfp_flags); if (!schp->buffer) return -ENOMEM; + sg_init_table(schp->buffer, tablesize); schp->sglist_len = sg_bufflen; return tablesize; /* number of scat_gath elements allocated */ } |