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Subject[PATCH 1/9] [media] tm6000: Delete seven error messages for a failed memory allocation
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Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 14 Sep 2017 14:34:39 +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 <elfring@users.sourceforge.net>
---
drivers/media/usb/tm6000/tm6000-cards.c | 1 -
drivers/media/usb/tm6000/tm6000-dvb.c | 5 +----
drivers/media/usb/tm6000/tm6000-video.c | 13 +++----------
3 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/media/usb/tm6000/tm6000-cards.c b/drivers/media/usb/tm6000/tm6000-cards.c
index 2537643a1808..817bae8cb6a1 100644
--- a/drivers/media/usb/tm6000/tm6000-cards.c
+++ b/drivers/media/usb/tm6000/tm6000-cards.c
@@ -1210,4 +1210,3 @@ static int tm6000_usb_probe(struct usb_interface *interface,
- printk(KERN_ERR "tm6000" ": out of memory!\n");
usb_put_dev(usbdev);
return -ENOMEM;
}
diff --git a/drivers/media/usb/tm6000/tm6000-dvb.c b/drivers/media/usb/tm6000/tm6000-dvb.c
index 097ac321b7e1..61a4e0a52716 100644
--- a/drivers/media/usb/tm6000/tm6000-dvb.c
+++ b/drivers/media/usb/tm6000/tm6000-dvb.c
@@ -137,5 +137,4 @@ static int tm6000_start_stream(struct tm6000_core *dev)
usb_free_urb(dvb->bulk_urb);
- printk(KERN_ERR "tm6000: couldn't allocate transfer buffer!\n");
return -ENOMEM;
}

@@ -403,7 +402,5 @@ static int dvb_init(struct tm6000_core *dev)
- if (!dvb) {
- printk(KERN_INFO "Cannot allocate memory\n");
+ if (!dvb)
return -ENOMEM;
- }

dev->dvb = dvb;

diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index ec8c4d2534dc..701494e72edc 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -477,13 +477,9 @@ static int tm6000_alloc_urb_buffers(struct tm6000_core *dev)
- if (!dev->urb_buffer) {
- tm6000_err("cannot allocate memory for urb buffers\n");
+ if (!dev->urb_buffer)
return -ENOMEM;
- }

dev->urb_dma = kmalloc(sizeof(dma_addr_t *)*num_bufs, GFP_KERNEL);
- if (!dev->urb_dma) {
- tm6000_err("cannot allocate memory for urb dma pointers\n");
+ if (!dev->urb_dma)
return -ENOMEM;
- }

for (i = 0; i < num_bufs; i++) {
dev->urb_buffer[i] = usb_alloc_coherent(
@@ -601,12 +597,9 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev)
- if (!dev->isoc_ctl.urb) {
- tm6000_err("cannot alloc memory for usb buffers\n");
+ if (!dev->isoc_ctl.urb)
return -ENOMEM;
- }

dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs,
GFP_KERNEL);
if (!dev->isoc_ctl.transfer_buffer) {
- tm6000_err("cannot allocate memory for usbtransfer\n");
kfree(dev->isoc_ctl.urb);
return -ENOMEM;
}
--
2.14.1
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