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authorMarkus Elfring <elfring@users.sourceforge.net>2014-11-20 09:26:36 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-25 13:31:52 -0200
commit83f56f7cbd070c0d9772221aa61198ef74c96cc4 (patch)
tree1c98474c7672437c189094872e248085cf842b9e
parent332b295d107466df8b05a99a914adbe21401449b (diff)
downloadlinux-83f56f7cbd070c0d9772221aa61198ef74c96cc4.tar.bz2
[media] USB: Deletion of unnecessary checks before three function calls
GIT_AUTHOR_DATE=1416486805 The functions pvr2_hdw_destroy(), rc_unregister_device() and vfree() perform also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/usb/au0828/au0828-input.c3
-rw-r--r--drivers/media/usb/em28xx/em28xx-input.c3
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-context.c2
-rw-r--r--drivers/media/usb/s2255/s2255drv.c3
4 files changed, 4 insertions, 7 deletions
diff --git a/drivers/media/usb/au0828/au0828-input.c b/drivers/media/usb/au0828/au0828-input.c
index 63995f97dc65..11a8daec5939 100644
--- a/drivers/media/usb/au0828/au0828-input.c
+++ b/drivers/media/usb/au0828/au0828-input.c
@@ -363,8 +363,7 @@ void au0828_rc_unregister(struct au0828_dev *dev)
if (!ir)
return;
- if (ir->rc)
- rc_unregister_device(ir->rc);
+ rc_unregister_device(ir->rc);
/* done */
kfree(ir);
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c
index 23f8f6afa2e0..85ac7dd15700 100644
--- a/drivers/media/usb/em28xx/em28xx-input.c
+++ b/drivers/media/usb/em28xx/em28xx-input.c
@@ -841,8 +841,7 @@ static int em28xx_ir_fini(struct em28xx *dev)
if (!ir)
goto ref_put;
- if (ir->rc)
- rc_unregister_device(ir->rc);
+ rc_unregister_device(ir->rc);
kfree(ir->i2c_client);
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c
index 7c19ff72e6b3..c8761c71c9d2 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c
@@ -80,7 +80,7 @@ static void pvr2_context_set_notify(struct pvr2_context *mp, int fl)
static void pvr2_context_destroy(struct pvr2_context *mp)
{
pvr2_trace(PVR2_TRACE_CTXT,"pvr2_context %p (destroy)",mp);
- if (mp->hdw) pvr2_hdw_destroy(mp->hdw);
+ pvr2_hdw_destroy(mp->hdw);
pvr2_context_set_notify(mp, 0);
mutex_lock(&pvr2_context_mutex);
if (mp->exist_next) {
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index a56a05b0c4e1..e03b155fa5c7 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -1974,8 +1974,7 @@ static int s2255_release_sys_buffers(struct s2255_vc *vc)
{
unsigned long i;
for (i = 0; i < SYS_FRAMES; i++) {
- if (vc->buffer.frame[i].lpvbits)
- vfree(vc->buffer.frame[i].lpvbits);
+ vfree(vc->buffer.frame[i].lpvbits);
vc->buffer.frame[i].lpvbits = NULL;
}
return 0;