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drivers/xen/xenbus/xenbus_client.c: fix bugon.cocci warnings

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Use BUG_ON instead of a if condition followed by BUG.

Generated by: scripts/coccinelle/misc/bugon.cocci

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@zte.com.cn>
Reviewed-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210825062451.69998-1-deng.changcheng@zte.com.cn
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Jing Yangyang 2021-08-24 23:24:51 -07:00 committed by Juergen Gross
parent b94e4b147f
commit bb70913dce
1 changed files with 3 additions and 6 deletions
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9
drivers/xen/xenbus/xenbus_client.c
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@ -542,8 +542,7 @@ static int __xenbus_map_ring(struct xenbus_device *dev,
}
}
if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, info->unmap, j))
BUG();
BUG_ON(HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, info->unmap, j));
*leaked = false;
for (i = 0; i < j; i++) {
@ -581,8 +580,7 @@ static int xenbus_unmap_ring(struct xenbus_device *dev, grant_handle_t *handles,
gnttab_set_unmap_op(&unmap[i], vaddrs[i],
GNTMAP_host_map, handles[i]);
if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, i))
BUG();
BUG_ON(HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, i));
err = GNTST_okay;
for (i = 0; i < nr_handles; i++) {
@ -778,8 +776,7 @@ static int xenbus_unmap_ring_pv(struct xenbus_device *dev, void *vaddr)
unmap[i].handle = node->handles[i];
}
if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, i))
BUG();
BUG_ON(HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, i));
err = GNTST_okay;
leaked = false;