From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/isdn/mISDN/dsp_audio.c | 22 ++++------------- drivers/isdn/mISDN/dsp_cmx.c | 2 +- drivers/isdn/mISDN/layer2.c | 54 ++++++++++++++++-------------------------- 3 files changed, 26 insertions(+), 52 deletions(-) (limited to 'drivers/isdn/mISDN') diff --git a/drivers/isdn/mISDN/dsp_audio.c b/drivers/isdn/mISDN/dsp_audio.c index 06022952a..bbef98e7a 100644 --- a/drivers/isdn/mISDN/dsp_audio.c +++ b/drivers/isdn/mISDN/dsp_audio.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "core.h" #include "dsp.h" @@ -137,27 +138,14 @@ static unsigned char linear2ulaw(short sample) return ulawbyte; } -static int reverse_bits(int i) -{ - int z, j; - z = 0; - - for (j = 0; j < 8; j++) { - if ((i & (1 << j)) != 0) - z |= 1 << (7 - j); - } - return z; -} - - void dsp_audio_generate_law_tables(void) { int i; for (i = 0; i < 256; i++) - dsp_audio_alaw_to_s32[i] = alaw2linear(reverse_bits(i)); + dsp_audio_alaw_to_s32[i] = alaw2linear(bitrev8((u8)i)); for (i = 0; i < 256; i++) - dsp_audio_ulaw_to_s32[i] = ulaw2linear(reverse_bits(i)); + dsp_audio_ulaw_to_s32[i] = ulaw2linear(bitrev8((u8)i)); for (i = 0; i < 256; i++) { dsp_audio_alaw_to_ulaw[i] = @@ -176,13 +164,13 @@ dsp_audio_generate_s2law_table(void) /* generating ulaw-table */ for (i = -32768; i < 32768; i++) { dsp_audio_s16_to_law[i & 0xffff] = - reverse_bits(linear2ulaw(i)); + bitrev8(linear2ulaw(i)); } } else { /* generating alaw-table */ for (i = -32768; i < 32768; i++) { dsp_audio_s16_to_law[i & 0xffff] = - reverse_bits(linear2alaw(i)); + bitrev8(linear2alaw(i)); } } } diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index 52c43821f..8e3aa0027 100644 --- a/drivers/isdn/mISDN/dsp_cmx.c +++ b/drivers/isdn/mISDN/dsp_cmx.c @@ -506,7 +506,7 @@ dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp) __func__, conf->id); if (list_empty(&conf->mlist)) { - printk(KERN_ERR "%s: conference whithout members\n", + printk(KERN_ERR "%s: conference without members\n", __func__); return; } diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c index 949cabb88..5eb380a25 100644 --- a/drivers/isdn/mISDN/layer2.c +++ b/drivers/isdn/mISDN/layer2.c @@ -1476,7 +1476,7 @@ static void l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) { struct layer2 *l2 = fi->userdata; - struct sk_buff *skb, *nskb, *oskb; + struct sk_buff *skb, *nskb; u_char header[MAX_L2HEADER_LEN]; u_int i, p1; @@ -1486,48 +1486,34 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg) skb = skb_dequeue(&l2->i_queue); if (!skb) return; - - if (test_bit(FLG_MOD128, &l2->flag)) - p1 = (l2->vs - l2->va) % 128; - else - p1 = (l2->vs - l2->va) % 8; - p1 = (p1 + l2->sow) % l2->window; - if (l2->windowar[p1]) { - printk(KERN_WARNING "%s: l2 try overwrite ack queue entry %d\n", - mISDNDevName4ch(&l2->ch), p1); - dev_kfree_skb(l2->windowar[p1]); - } - l2->windowar[p1] = skb; i = sethdraddr(l2, header, CMD); if (test_bit(FLG_MOD128, &l2->flag)) { header[i++] = l2->vs << 1; header[i++] = l2->vr << 1; + } else + header[i++] = (l2->vr << 5) | (l2->vs << 1); + nskb = skb_realloc_headroom(skb, i); + if (!nskb) { + printk(KERN_WARNING "%s: no headroom(%d) copy for IFrame\n", + mISDNDevName4ch(&l2->ch), i); + skb_queue_head(&l2->i_queue, skb); + return; + } + if (test_bit(FLG_MOD128, &l2->flag)) { + p1 = (l2->vs - l2->va) % 128; l2->vs = (l2->vs + 1) % 128; } else { - header[i++] = (l2->vr << 5) | (l2->vs << 1); + p1 = (l2->vs - l2->va) % 8; l2->vs = (l2->vs + 1) % 8; } - - nskb = skb_clone(skb, GFP_ATOMIC); - p1 = skb_headroom(nskb); - if (p1 >= i) - memcpy(skb_push(nskb, i), header, i); - else { - printk(KERN_WARNING - "%s: L2 pull_iqueue skb header(%d/%d) too short\n", - mISDNDevName4ch(&l2->ch), i, p1); - oskb = nskb; - nskb = mI_alloc_skb(oskb->len + i, GFP_ATOMIC); - if (!nskb) { - dev_kfree_skb(oskb); - printk(KERN_WARNING "%s: no skb mem in %s\n", - mISDNDevName4ch(&l2->ch), __func__); - return; - } - memcpy(skb_put(nskb, i), header, i); - memcpy(skb_put(nskb, oskb->len), oskb->data, oskb->len); - dev_kfree_skb(oskb); + p1 = (p1 + l2->sow) % l2->window; + if (l2->windowar[p1]) { + printk(KERN_WARNING "%s: l2 try overwrite ack queue entry %d\n", + mISDNDevName4ch(&l2->ch), p1); + dev_kfree_skb(l2->windowar[p1]); } + l2->windowar[p1] = skb; + memcpy(skb_push(nskb, i), header, i); l2down(l2, PH_DATA_REQ, l2_newid(l2), nskb); test_and_clear_bit(FLG_ACK_PEND, &l2->flag); if (!test_and_set_bit(FLG_T200_RUN, &l2->flag)) { -- cgit v1.2.3-54-g00ecf