[PATCH 1/8] [media] cx231xx: Delete eight error messages for a failed memory allocation

[SF Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Sun, 17 Sep 2017 17:43:47 +0200

Omit extra messages for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/media/usb/cx231xx/cx231xx-core.c | 14 ++------------
 drivers/media/usb/cx231xx/cx231xx-dvb.c  |  7 ++-----
 drivers/media/usb/cx231xx/cx231xx-vbi.c  | 11 +----------
 3 files changed, 5 insertions(+), 27 deletions(-)

diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c 
b/drivers/media/usb/cx231xx/cx231xx-core.c
index f372ad3917a8..d9f4ae50e869 100644
--- a/drivers/media/usb/cx231xx/cx231xx-core.c
+++ b/drivers/media/usb/cx231xx/cx231xx-core.c
@@ -1038,12 +1038,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int 
max_packets,
-       if (!dev->video_mode.isoc_ctl.urb) {
-               dev_err(dev->dev,
-                       "cannot alloc memory for usb buffers\n");
+       if (!dev->video_mode.isoc_ctl.urb)
                return -ENOMEM;
-       }
 
        dev->video_mode.isoc_ctl.transfer_buffer =
            kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
        if (!dev->video_mode.isoc_ctl.transfer_buffer) {
-               dev_err(dev->dev,
-                       "cannot allocate memory for usbtransfer\n");
                kfree(dev->video_mode.isoc_ctl.urb);
@@ -1173,12 +1168,7 @@ int cx231xx_init_bulk(struct cx231xx *dev, int 
max_packets,
-       if (!dev->video_mode.bulk_ctl.urb) {
-               dev_err(dev->dev,
-                       "cannot alloc memory for usb buffers\n");
+       if (!dev->video_mode.bulk_ctl.urb)
                return -ENOMEM;
-       }
 
        dev->video_mode.bulk_ctl.transfer_buffer =
            kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
        if (!dev->video_mode.bulk_ctl.transfer_buffer) {
-               dev_err(dev->dev,
-                       "cannot allocate memory for usbtransfer\n");
                kfree(dev->video_mode.bulk_ctl.urb);
diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c 
b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index c18bb33e060e..248b62e2099c 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -618,9 +618,6 @@ static int dvb_init(struct cx231xx *dev)
-
-       if (dvb == NULL) {
-               dev_info(dev->dev,
-                        "cx231xx_dvb: memory allocation failed\n");
+       if (!dvb)
                return -ENOMEM;
-       }
+
        dev->dvb = dvb;
        dev->cx231xx_set_analog_freq = cx231xx_set_analog_freq;
        dev->cx231xx_reset_analog_tuner = cx231xx_reset_analog_tuner;
diff --git a/drivers/media/usb/cx231xx/cx231xx-vbi.c 
b/drivers/media/usb/cx231xx/cx231xx-vbi.c
index 76e901920f6f..9c27db16db2a 100644
--- a/drivers/media/usb/cx231xx/cx231xx-vbi.c
+++ b/drivers/media/usb/cx231xx/cx231xx-vbi.c
@@ -420,12 +420,7 @@ int cx231xx_init_vbi_isoc(struct cx231xx *dev, int 
max_packets,
-       if (!dev->vbi_mode.bulk_ctl.urb) {
-               dev_err(dev->dev,
-                       "cannot alloc memory for usb buffers\n");
+       if (!dev->vbi_mode.bulk_ctl.urb)
                return -ENOMEM;
-       }
 
        dev->vbi_mode.bulk_ctl.transfer_buffer =
            kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
        if (!dev->vbi_mode.bulk_ctl.transfer_buffer) {
-               dev_err(dev->dev,
-                       "cannot allocate memory for usbtransfer\n");
                kfree(dev->vbi_mode.bulk_ctl.urb);
@@ -453,8 +448,4 @@ int cx231xx_init_vbi_isoc(struct cx231xx *dev, int 
max_packets,
                if (!dev->vbi_mode.bulk_ctl.transfer_buffer[i]) {
-                       dev_err(dev->dev,
-                               "unable to allocate %i bytes for transfer 
buffer %i%s\n",
-                               sb_size, i,
-                               in_interrupt() ? " while in int" : "");
                        cx231xx_uninit_vbi_isoc(dev);
                        return -ENOMEM;
                }
-- 
2.14.1