From 2ea7533060e361810c21b2f5ee02151c4dfb85d8 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Mon, 7 Nov 2005 01:01:31 -0800 Subject: [PATCH] [PATCH] kfree cleanup: drivers/media This is the drivers/media/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/media/. Signed-off-by: Jesper Juhl Cc: Johannes Stezenbach Cc: Michael Krufky Cc: Mauro Carvalho Chehab Acked-by : Manu Abraham Acked-by: Andreas Oberritter Acked-by: Wilson Michaels Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/bt8xx/dst.c | 8 ++------ drivers/media/dvb/frontends/dvb_dummy_fe.c | 4 ++-- drivers/media/dvb/frontends/l64781.c | 3 ++- drivers/media/dvb/frontends/lgdt330x.c | 3 +-- drivers/media/dvb/frontends/mt312.c | 3 +-- drivers/media/dvb/frontends/or51132.c | 3 +-- drivers/media/video/arv.c | 12 ++++-------- drivers/media/video/bttv-driver.c | 6 ++---- drivers/media/video/v4l1-compat.c | 6 ++---- drivers/media/video/videocodec.c | 6 ++---- drivers/media/video/videodev.c | 3 +-- drivers/media/video/zoran_card.c | 14 ++++++-------- 12 files changed, 26 insertions(+), 45 deletions(-) diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index 34a837a1abf..b3c9d7327ac 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -1331,9 +1331,7 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad { /* check if the ASIC is there */ if (dst_probe(state) < 0) { - if (state) - kfree(state); - + kfree(state); return NULL; } /* determine settings based on type */ @@ -1349,9 +1347,7 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad break; default: dprintk(verbose, DST_ERROR, 1, "unknown DST type. please report to the LinuxTV.org DVB mailinglist."); - if (state) - kfree(state); - + kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c index 794be520d59..645946a992d 100644 --- a/drivers/media/dvb/frontends/dvb_dummy_fe.c +++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c @@ -148,7 +148,7 @@ struct dvb_frontend* dvb_dummy_fe_qpsk_attach() return &state->frontend; error: - if (state) kfree(state); + kfree(state); return NULL; } @@ -171,7 +171,7 @@ struct dvb_frontend* dvb_dummy_fe_qam_attach() return &state->frontend; error: - if (state) kfree(state); + kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c index faaad1ae855..19b4bf7c21a 100644 --- a/drivers/media/dvb/frontends/l64781.c +++ b/drivers/media/dvb/frontends/l64781.c @@ -559,7 +559,8 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config, return &state->frontend; error: - if (reg0x3e >= 0) l64781_writereg (state, 0x3e, reg0x3e); /* restore reg 0x3e */ + if (reg0x3e >= 0) + l64781_writereg (state, 0x3e, reg0x3e); /* restore reg 0x3e */ kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index 8dde72bd104..7852b83b82d 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -731,8 +731,7 @@ struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); dprintk("%s: ERROR\n",__FUNCTION__); return NULL; } diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c index e38454901dd..9c67f406d58 100644 --- a/drivers/media/dvb/frontends/mt312.c +++ b/drivers/media/dvb/frontends/mt312.c @@ -677,8 +677,7 @@ struct dvb_frontend* mt312_attach(const struct mt312_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); return NULL; } diff --git a/drivers/media/dvb/frontends/or51132.c b/drivers/media/dvb/frontends/or51132.c index 817b044c7fd..fc74c40d647 100644 --- a/drivers/media/dvb/frontends/or51132.c +++ b/drivers/media/dvb/frontends/or51132.c @@ -577,8 +577,7 @@ struct dvb_frontend* or51132_attach(const struct or51132_config* config, return &state->frontend; error: - if (state) - kfree(state); + kfree(state); return NULL; } diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index 87fd3a7bb39..0823ddaf700 100644 --- a/drivers/media/video/arv.c +++ b/drivers/media/video/arv.c @@ -865,10 +865,8 @@ out_dev: out_irq: #endif - for (i = 0; i < MAX_AR_HEIGHT; i++) { - if (ar->frame[i]) - kfree(ar->frame[i]); - } + for (i = 0; i < MAX_AR_HEIGHT; i++) + kfree(ar->frame[i]); out_line_buff: #if USE_INT @@ -899,10 +897,8 @@ static void __exit ar_cleanup_module(void) #if USE_INT free_irq(M32R_IRQ_INT3, ar); #endif - for (i = 0; i < MAX_AR_HEIGHT; i++) { - if (ar->frame[i]) - kfree(ar->frame[i]); - } + for (i = 0; i < MAX_AR_HEIGHT; i++) + kfree(ar->frame[i]); #if USE_INT kfree(ar->line_buff); #endif diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c index c062a017491..d538a994ff0 100644 --- a/drivers/media/video/bttv-driver.c +++ b/drivers/media/video/bttv-driver.c @@ -1951,8 +1951,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, } down(&fh->cap.lock); - if (fh->ov.clips) - kfree(fh->ov.clips); + kfree(fh->ov.clips); fh->ov.clips = clips; fh->ov.nclips = n; @@ -2723,8 +2722,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file, fh->ov.w.height = fb->fmt.height; btv->init.ov.w.width = fb->fmt.width; btv->init.ov.w.height = fb->fmt.height; - if (fh->ov.clips) - kfree(fh->ov.clips); + kfree(fh->ov.clips); fh->ov.clips = NULL; fh->ov.nclips = 0; diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index 59bb71381a1..d679ca23ded 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -1006,10 +1006,8 @@ v4l_compat_translate_ioctl(struct inode *inode, break; } - if (cap2) - kfree(cap2); - if (fmt2) - kfree(fmt2); + kfree(cap2); + kfree(fmt2); return err; } diff --git a/drivers/media/video/videocodec.c b/drivers/media/video/videocodec.c index c9d5f1a873c..839db622040 100644 --- a/drivers/media/video/videocodec.c +++ b/drivers/media/video/videocodec.c @@ -353,8 +353,7 @@ videocodec_build_table (void) dprintk(3, "videocodec_build table: %d entries, %d bytes\n", i, size); - if (videocodec_buf) - kfree(videocodec_buf); + kfree(videocodec_buf); videocodec_buf = (char *) kmalloc(size, GFP_KERNEL); i = 0; @@ -471,8 +470,7 @@ videocodec_exit (void) { #ifdef CONFIG_PROC_FS remove_proc_entry("videocodecs", NULL); - if (videocodec_buf) - kfree(videocodec_buf); + kfree(videocodec_buf); #endif } diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 06df15f75de..83c49f9610d 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -215,8 +215,7 @@ video_usercopy(struct inode *inode, struct file *file, } out: - if (mbuf) - kfree(mbuf); + kfree(mbuf); return err; } diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c index eed2acea177..39a0d238900 100644 --- a/drivers/media/video/zoran_card.c +++ b/drivers/media/video/zoran_card.c @@ -1057,10 +1057,8 @@ zr36057_init (struct zoran *zr) KERN_ERR "%s: zr36057_init() - kmalloc (STAT_COM) failed\n", ZR_DEVNAME(zr)); - if (vdev) - kfree(vdev); - if (mem) - kfree((void *)mem); + kfree(vdev); + kfree((void *)mem); return -ENOMEM; } memset((void *) mem, 0, mem_needed); @@ -1105,15 +1103,15 @@ zoran_release (struct zoran *zr) /* unregister videocodec bus */ if (zr->codec) { struct videocodec_master *master = zr->codec->master_data; + videocodec_detach(zr->codec); - if (master) - kfree(master); + kfree(master); } if (zr->vfe) { struct videocodec_master *master = zr->vfe->master_data; + videocodec_detach(zr->vfe); - if (master) - kfree(master); + kfree(master); } /* unregister i2c bus */ -- 2.41.0