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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> --- diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index b5fa4f0..f1871ea 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 */ } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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