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[PATCH] ACPI-EC: Delete an unnecessary check before the function call "acpi_ec_delete_query"

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH] ACPI-EC: Delete an unnecessary check before the function call "acpi_ec_delete_query"
Date 2015-11-15 23:00 +0100
Message-ID <qvdv4-6Uk-7@gated-at.bofh.it> (permalink)
References (12 earlier) <mSsDN-4wa-59@gated-at.bofh.it> <mSsDN-4wa-61@gated-at.bofh.it> <mSsDN-4wa-63@gated-at.bofh.it> <mSsDN-4wa-65@gated-at.bofh.it> <mSsDN-4wa-33@gated-at.bofh.it>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 15 Nov 2015 22:42:27 +0100

The acpi_ec_delete_query() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/acpi/ec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index f61a7c8..b420fb4 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1103,7 +1103,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data)
 	}
 
 err_exit:
-	if (result && q)
+	if (result)
 		acpi_ec_delete_query(q);
 	if (data)
 		*data = value;
-- 
2.6.2

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[PATCH] ACPI-EC: Delete an unnecessary check before the function call  "acpi_ec_delete_query" SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-15 23:00 +0100

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