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platform/x86: wmi: use !p to check for NULL

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Other parts of the code use the `!p` idiom to check
for NULL pointers, convert `find_guid_context()` to
do the same.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210904175450.156801-19-pobrn@protonmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Barnabás Pőcze
2021-09-04 17:55:52 +00:00
committed by Hans de Goede
parent 6133913a82
commit 6e0bc588a0
1 changed files with 2 additions and 2 deletions
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4
drivers/platform/x86/wmi.c
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@@ -141,10 +141,10 @@ static const void *find_guid_context(struct wmi_block *wblock,
const struct wmi_device_id *id; const struct wmi_device_id *id;
guid_t guid_input; guid_t guid_input;
if (wdriver->id_table == NULL) id = wdriver->id_table;
if (!id)
return NULL; return NULL;
id = wdriver->id_table;
while (*id->guid_string) { while (*id->guid_string) {
if (guid_parse(id->guid_string, &guid_input)) if (guid_parse(id->guid_string, &guid_input))
continue; continue;