linux-kernel - [PATCH v2] Staging: greybus: camera: cleanup multiple checks for null pointers

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Date:   Mon,  8 Jan 2018 22:20:15 +0530
From:   Sumit Pundir <pundirsumit11@...il.com>
To:     johan@...nel.org
Cc:     elder@...nel.org, gregkh@...uxfoundation.org,
        greybus-dev@...ts.linaro.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] Staging: greybus: camera: cleanup multiple checks for null pointers

Fixed coding style issue regarding null comparison at multiple lines.
Issue reported by checkpatch.pl

Signed-off-by: Sumit Pundir <pundirsumit11@...il.com>
---
v2:
 Updated the patch title and description.

 drivers/staging/greybus/camera.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/greybus/camera.c b/drivers/staging/greybus/camera.c
index f13f16b..07ebfb8 100644
--- a/drivers/staging/greybus/camera.c
+++ b/drivers/staging/greybus/camera.c
@@ -918,7 +918,7 @@ static ssize_t gb_camera_debugfs_configure_streams(struct gb_camera *gcam,
 
 	/* Retrieve number of streams to configure */
 	token = strsep(&buf, ";");
-	if (token == NULL)
+	if (!token)
 		return -EINVAL;
 
 	ret = kstrtouint(token, 10, &nstreams);
@@ -929,7 +929,7 @@ static ssize_t gb_camera_debugfs_configure_streams(struct gb_camera *gcam,
 		return -EINVAL;
 
 	token = strsep(&buf, ";");
-	if (token == NULL)
+	if (!token)
 		return -EINVAL;
 
 	ret = kstrtouint(token, 10, &flags);
@@ -946,7 +946,7 @@ static ssize_t gb_camera_debugfs_configure_streams(struct gb_camera *gcam,
 
 		/* width */
 		token = strsep(&buf, ";");
-		if (token == NULL) {
+		if (!token) {
 			ret = -EINVAL;
 			goto done;
 		}
@@ -956,7 +956,7 @@ static ssize_t gb_camera_debugfs_configure_streams(struct gb_camera *gcam,
 
 		/* height */
 		token = strsep(&buf, ";");
-		if (token == NULL)
+		if (!token)
 			goto done;
 
 		ret = kstrtouint(token, 10, &stream->height);
@@ -965,7 +965,7 @@ static ssize_t gb_camera_debugfs_configure_streams(struct gb_camera *gcam,
 
 		/* Image format code */
 		token = strsep(&buf, ";");
-		if (token == NULL)
+		if (!token)
 			goto done;
 
 		ret = kstrtouint(token, 16, &stream->format);
@@ -1009,7 +1009,7 @@ static ssize_t gb_camera_debugfs_capture(struct gb_camera *gcam,
 
 	/* Request id */
 	token = strsep(&buf, ";");
-	if (token == NULL)
+	if (!token)
 		return -EINVAL;
 	ret = kstrtouint(token, 10, &request_id);
 	if (ret < 0)
@@ -1017,7 +1017,7 @@ static ssize_t gb_camera_debugfs_capture(struct gb_camera *gcam,
 
 	/* Stream mask */
 	token = strsep(&buf, ";");
-	if (token == NULL)
+	if (!token)
 		return -EINVAL;
 	ret = kstrtouint(token, 16, &streams_mask);
 	if (ret < 0)
@@ -1025,7 +1025,7 @@ static ssize_t gb_camera_debugfs_capture(struct gb_camera *gcam,
 
 	/* number of frames */
 	token = strsep(&buf, ";");
-	if (token == NULL)
+	if (!token)
 		return -EINVAL;
 	ret = kstrtouint(token, 10, &num_frames);
 	if (ret < 0)
-- 
2.7.4