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Commit 800aecc3 authored by Erik Arfvidson's avatar Erik Arfvidson Committed by Greg Kroah-Hartman
Browse files

staging: unisys: remove channel.h double negative comparison 



This patch removes the double negative comparisons for function
readb.

Signed-off-by: default avatarErik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: default avatarDavid Kershner <david.kershner@unisys.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c9493bd6

drivers/staging/unisys/include/channel.h

+3 −3
Original line number Diff line number Diff line
@@ -411,7 +411,7 @@ spar_channel_client_acquire_os(void __iomem *ch, u8 *id) 
		mb(); /* required for channel synch */

	}

	if (readl(&hdr->cli_state_os) == CHANNELCLI_OWNED) {

		if (readb(&hdr->cli_error_os) != 0) {

		if (readb(&hdr->cli_error_os)) {

			/* we are in an error msg throttling state;

			 * come out of it

			 */
@@ -459,7 +459,7 @@ spar_channel_client_acquire_os(void __iomem *ch, u8 *id) 
		mb(); /* required for channel synch */

		return 0;

	}

	if (readb(&hdr->cli_error_os) != 0) {

	if (readb(&hdr->cli_error_os)) {

		/* we are in an error msg throttling state; come out of it */

		pr_info("%s Channel OS client acquire now successful\n", id);

		writeb(0, &hdr->cli_error_os);
@@ -472,7 +472,7 @@ spar_channel_client_release_os(void __iomem *ch, u8 *id) 
{

	struct channel_header __iomem *hdr = ch;



	if (readb(&hdr->cli_error_os) != 0) {

	if (readb(&hdr->cli_error_os)) {

		/* we are in an error msg throttling state; come out of it */

		pr_info("%s Channel OS client error state cleared\n", id);

		writeb(0, &hdr->cli_error_os);