From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Date: Sat, 10 Dec 2016 20:50:58 +0100 Omit extra messages for a memory allocation failure in two functions. Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> --- drivers/media/pci/bt8xx/dst_ca.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/pci/bt8xx/dst_ca.c b/drivers/media/pci/bt8xx/dst_ca.c index 8681b9143a35..54e656ddd588 100644 --- a/drivers/media/pci/bt8xx/dst_ca.c +++ b/drivers/media/pci/bt8xx/dst_ca.c @@ -481,10 +481,9 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, struct ca_msg *hw_buffer; int result = 0; - if ((hw_buffer = kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { - dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); + hw_buffer = kmalloc(sizeof(*hw_buffer), GFP_KERNEL); + if (!hw_buffer) return -ENOMEM; - } dprintk(verbose, DST_CA_DEBUG, 1, " "); if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) { @@ -567,7 +566,6 @@ static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioct p_ca_slot_info = kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL); p_ca_caps = kmalloc(sizeof (struct ca_caps), GFP_KERNEL); if (!p_ca_message || !p_ca_slot_info || !p_ca_caps) { - dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); result = -ENOMEM; goto free_mem_and_exit; } -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
