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-rw-r--r--drivers/crypto/talitos.c49
-rw-r--r--drivers/isdn/hardware/mISDN/Kconfig1
-rw-r--r--drivers/isdn/mISDN/layer2.c2
-rw-r--r--drivers/isdn/mISDN/layer2.h2
-rw-r--r--drivers/isdn/mISDN/tei.c2
-rw-r--r--drivers/misc/Kconfig2
6 files changed, 39 insertions, 19 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index b11943dadefd..681c15f42083 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -99,6 +99,9 @@ struct talitos_private {
/* next channel to be assigned next incoming descriptor */
atomic_t last_chan;
+ /* per-channel number of requests pending in channel h/w fifo */
+ atomic_t *submit_count;
+
/* per-channel request fifo */
struct talitos_request **fifo;
@@ -263,15 +266,15 @@ static int talitos_submit(struct device *dev, struct talitos_desc *desc,
spin_lock_irqsave(&priv->head_lock[ch], flags);
- head = priv->head[ch];
- request = &priv->fifo[ch][head];
-
- if (request->desc) {
- /* request queue is full */
+ if (!atomic_inc_not_zero(&priv->submit_count[ch])) {
+ /* h/w fifo is full */
spin_unlock_irqrestore(&priv->head_lock[ch], flags);
return -EAGAIN;
}
+ head = priv->head[ch];
+ request = &priv->fifo[ch][head];
+
/* map descriptor and save caller data */
request->dma_desc = dma_map_single(dev, desc, sizeof(*desc),
DMA_BIDIRECTIONAL);
@@ -335,6 +338,9 @@ static void flush_channel(struct device *dev, int ch, int error, int reset_ch)
priv->tail[ch] = (tail + 1) & (priv->fifo_len - 1);
spin_unlock_irqrestore(&priv->tail_lock[ch], flags);
+
+ atomic_dec(&priv->submit_count[ch]);
+
saved_req.callback(dev, saved_req.desc, saved_req.context,
status);
/* channel may resume processing in single desc error case */
@@ -842,7 +848,7 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
/* adjust (decrease) last one (or two) entry's len to cryptlen */
link_tbl_ptr--;
- while (link_tbl_ptr->len <= (-cryptlen)) {
+ while (be16_to_cpu(link_tbl_ptr->len) <= (-cryptlen)) {
/* Empty this entry, and move to previous one */
cryptlen += be16_to_cpu(link_tbl_ptr->len);
link_tbl_ptr->len = 0;
@@ -874,7 +880,7 @@ static int ipsec_esp(struct ipsec_esp_edesc *edesc, struct aead_request *areq,
unsigned int cryptlen = areq->cryptlen;
unsigned int authsize = ctx->authsize;
unsigned int ivsize;
- int sg_count;
+ int sg_count, ret;
/* hmac key */
map_single_talitos_ptr(dev, &desc->ptr[0], ctx->authkeylen, &ctx->key,
@@ -978,7 +984,12 @@ static int ipsec_esp(struct ipsec_esp_edesc *edesc, struct aead_request *areq,
map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, 0,
DMA_FROM_DEVICE);
- return talitos_submit(dev, desc, callback, areq);
+ ret = talitos_submit(dev, desc, callback, areq);
+ if (ret != -EINPROGRESS) {
+ ipsec_esp_unmap(dev, edesc, areq);
+ kfree(edesc);
+ }
+ return ret;
}
@@ -1009,6 +1020,8 @@ static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
struct ipsec_esp_edesc *edesc;
int src_nents, dst_nents, alloc_len, dma_len;
+ gfp_t flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
+ GFP_ATOMIC;
if (areq->cryptlen + ctx->authsize > TALITOS_MAX_DATA_LEN) {
dev_err(ctx->dev, "cryptlen exceeds h/w max limit\n");
@@ -1022,7 +1035,7 @@ static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
dst_nents = src_nents;
} else {
dst_nents = sg_count(areq->dst, areq->cryptlen + ctx->authsize);
- dst_nents = (dst_nents == 1) ? 0 : src_nents;
+ dst_nents = (dst_nents == 1) ? 0 : dst_nents;
}
/*
@@ -1040,7 +1053,7 @@ static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
alloc_len += icv_stashing ? ctx->authsize : 0;
}
- edesc = kmalloc(alloc_len, GFP_DMA);
+ edesc = kmalloc(alloc_len, GFP_DMA | flags);
if (!edesc) {
dev_err(ctx->dev, "could not allocate edescriptor\n");
return ERR_PTR(-ENOMEM);
@@ -1337,6 +1350,7 @@ static int __devexit talitos_remove(struct of_device *ofdev)
if (hw_supports(dev, DESC_HDR_SEL0_RNG))
talitos_unregister_rng(dev);
+ kfree(priv->submit_count);
kfree(priv->tail);
kfree(priv->head);
@@ -1466,9 +1480,6 @@ static int talitos_probe(struct of_device *ofdev,
goto err_out;
}
- of_node_put(np);
- np = NULL;
-
priv->head_lock = kmalloc(sizeof(spinlock_t) * priv->num_channels,
GFP_KERNEL);
priv->tail_lock = kmalloc(sizeof(spinlock_t) * priv->num_channels,
@@ -1504,6 +1515,16 @@ static int talitos_probe(struct of_device *ofdev,
}
}
+ priv->submit_count = kmalloc(sizeof(atomic_t) * priv->num_channels,
+ GFP_KERNEL);
+ if (!priv->submit_count) {
+ dev_err(dev, "failed to allocate fifo submit count space\n");
+ err = -ENOMEM;
+ goto err_out;
+ }
+ for (i = 0; i < priv->num_channels; i++)
+ atomic_set(&priv->submit_count[i], -priv->chfifo_len);
+
priv->head = kzalloc(sizeof(int) * priv->num_channels, GFP_KERNEL);
priv->tail = kzalloc(sizeof(int) * priv->num_channels, GFP_KERNEL);
if (!priv->head || !priv->tail) {
@@ -1559,8 +1580,6 @@ static int talitos_probe(struct of_device *ofdev,
err_out:
talitos_remove(ofdev);
- if (np)
- of_node_put(np);
return err;
}
diff --git a/drivers/isdn/hardware/mISDN/Kconfig b/drivers/isdn/hardware/mISDN/Kconfig
index 14793480c453..9cd5f5f62280 100644
--- a/drivers/isdn/hardware/mISDN/Kconfig
+++ b/drivers/isdn/hardware/mISDN/Kconfig
@@ -7,6 +7,7 @@ config MISDN_HFCPCI
tristate "Support for HFC PCI cards"
depends on MISDN
depends on PCI
+ depends on VIRT_TO_BUS
help
Enable support for cards with Cologne Chip AG's
HFC PCI chip.
diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c
index f5ad888ee71e..a7915a156c04 100644
--- a/drivers/isdn/mISDN/layer2.c
+++ b/drivers/isdn/mISDN/layer2.c
@@ -2030,7 +2030,7 @@ release_l2(struct layer2 *l2)
skb_queue_purge(&l2->down_queue);
ReleaseWin(l2);
if (test_bit(FLG_LAPD, &l2->flag)) {
- release_tei(l2);
+ TEIrelease(l2);
if (l2->ch.st)
l2->ch.st->dev->D.ctrl(&l2->ch.st->dev->D,
CLOSE_CHANNEL, NULL);
diff --git a/drivers/isdn/mISDN/layer2.h b/drivers/isdn/mISDN/layer2.h
index de2dd02056a3..6293f80dc2d3 100644
--- a/drivers/isdn/mISDN/layer2.h
+++ b/drivers/isdn/mISDN/layer2.h
@@ -96,7 +96,7 @@ extern int tei_l2(struct layer2 *, u_int, u_long arg);
/* from tei.c */
extern int l2_tei(struct layer2 *, u_int, u_long arg);
-extern void release_tei(struct layer2 *);
+extern void TEIrelease(struct layer2 *);
extern int TEIInit(u_int *);
extern void TEIFree(void);
diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index 56a76a0ffddd..6fbae42127bf 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -945,7 +945,7 @@ l2_tei(struct layer2 *l2, u_int cmd, u_long arg)
}
void
-release_tei(struct layer2 *l2)
+TEIrelease(struct layer2 *l2)
{
struct teimgr *tm = l2->tm;
u_long flags;
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 321eb9134635..f5ade1904aad 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -360,7 +360,7 @@ config THINKPAD_ACPI_VIDEO
If you are not sure, say Y here.
config THINKPAD_ACPI_HOTKEY_POLL
- bool "Suport NVRAM polling for hot keys"
+ bool "Support NVRAM polling for hot keys"
depends on THINKPAD_ACPI
default y
---help---
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.