xen: xenbus: Use helper function IS_ERR_OR_NULL()

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Use IS_ERR_OR_NULL() to detect an error pointer or a null pointer
open-coding to simplify the code.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230817014736.3094289-1-lizetao1@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>

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Li Zetao 2023-08-17 09:47:36 +08:00 • committed by Juergen Gross

parent 71281ec9c8

commit 035a69586f

1 changed files with 1 additions and 1 deletions

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drivers/xen/xenbus/xenbus_probe_frontend.c

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