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-rw-r--r--drivers/misc/fastrpc.c41
-rw-r--r--drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c4
-rw-r--r--drivers/misc/mei/platform-vsc.c4
-rw-r--r--drivers/misc/mei/vsc-fw-loader.c2
-rw-r--r--drivers/misc/mei/vsc-tp.c18
5 files changed, 51 insertions, 18 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 4c67e2c5a82e..a7a2bcedb37e 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -1238,6 +1238,7 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
struct fastrpc_phy_page pages[1];
char *name;
int err;
+ bool scm_done = false;
struct {
int pgid;
u32 namelen;
@@ -1289,6 +1290,7 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
fl->cctx->remote_heap->phys, fl->cctx->remote_heap->size, err);
goto err_map;
}
+ scm_done = true;
}
}
@@ -1320,10 +1322,11 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
goto err_invoke;
kfree(args);
+ kfree(name);
return 0;
err_invoke:
- if (fl->cctx->vmcount) {
+ if (fl->cctx->vmcount && scm_done) {
u64 src_perms = 0;
struct qcom_scm_vmperm dst_perms;
u32 i;
@@ -1693,16 +1696,20 @@ static int fastrpc_get_info_from_dsp(struct fastrpc_user *fl, uint32_t *dsp_attr
{
struct fastrpc_invoke_args args[2] = { 0 };
- /* Capability filled in userspace */
+ /*
+ * Capability filled in userspace. This carries the information
+ * about the remoteproc support which is fetched from the remoteproc
+ * sysfs node by userspace.
+ */
dsp_attr_buf[0] = 0;
+ dsp_attr_buf_len -= 1;
args[0].ptr = (u64)(uintptr_t)&dsp_attr_buf_len;
args[0].length = sizeof(dsp_attr_buf_len);
args[0].fd = -1;
args[1].ptr = (u64)(uintptr_t)&dsp_attr_buf[1];
- args[1].length = dsp_attr_buf_len;
+ args[1].length = dsp_attr_buf_len * sizeof(u32);
args[1].fd = -1;
- fl->pd = USER_PD;
return fastrpc_internal_invoke(fl, true, FASTRPC_DSP_UTILITIES_HANDLE,
FASTRPC_SCALARS(0, 1, 1), args);
@@ -1730,7 +1737,7 @@ static int fastrpc_get_info_from_kernel(struct fastrpc_ioctl_capability *cap,
if (!dsp_attributes)
return -ENOMEM;
- err = fastrpc_get_info_from_dsp(fl, dsp_attributes, FASTRPC_MAX_DSP_ATTRIBUTES_LEN);
+ err = fastrpc_get_info_from_dsp(fl, dsp_attributes, FASTRPC_MAX_DSP_ATTRIBUTES);
if (err == DSP_UNSUPPORTED_API) {
dev_info(&cctx->rpdev->dev,
"Warning: DSP capabilities not supported on domain: %d\n", domain);
@@ -1783,7 +1790,7 @@ static int fastrpc_get_dsp_info(struct fastrpc_user *fl, char __user *argp)
if (err)
return err;
- if (copy_to_user(argp, &cap.capability, sizeof(cap.capability)))
+ if (copy_to_user(argp, &cap, sizeof(cap)))
return -EFAULT;
return 0;
@@ -2080,6 +2087,16 @@ err_invoke:
return err;
}
+static int is_attach_rejected(struct fastrpc_user *fl)
+{
+ /* Check if the device node is non-secure */
+ if (!fl->is_secure_dev) {
+ dev_dbg(&fl->cctx->rpdev->dev, "untrusted app trying to attach to privileged DSP PD\n");
+ return -EACCES;
+ }
+ return 0;
+}
+
static long fastrpc_device_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
@@ -2092,13 +2109,19 @@ static long fastrpc_device_ioctl(struct file *file, unsigned int cmd,
err = fastrpc_invoke(fl, argp);
break;
case FASTRPC_IOCTL_INIT_ATTACH:
- err = fastrpc_init_attach(fl, ROOT_PD);
+ err = is_attach_rejected(fl);
+ if (!err)
+ err = fastrpc_init_attach(fl, ROOT_PD);
break;
case FASTRPC_IOCTL_INIT_ATTACH_SNS:
- err = fastrpc_init_attach(fl, SENSORS_PD);
+ err = is_attach_rejected(fl);
+ if (!err)
+ err = fastrpc_init_attach(fl, SENSORS_PD);
break;
case FASTRPC_IOCTL_INIT_CREATE_STATIC:
- err = fastrpc_init_create_static_process(fl, argp);
+ err = is_attach_rejected(fl);
+ if (!err)
+ err = fastrpc_init_create_static_process(fl, argp);
break;
case FASTRPC_IOCTL_INIT_CREATE:
err = fastrpc_init_create_process(fl, argp);
diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
index 16695cb5e69c..7c3d8bedf90b 100644
--- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
+++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
@@ -153,7 +153,6 @@ static int pci1xxxx_eeprom_read(void *priv_t, unsigned int off,
buf[byte] = readl(rb + MMAP_EEPROM_OFFSET(EEPROM_DATA_REG));
}
- ret = byte;
error:
release_sys_lock(priv);
return ret;
@@ -197,7 +196,6 @@ static int pci1xxxx_eeprom_write(void *priv_t, unsigned int off,
goto error;
}
}
- ret = byte;
error:
release_sys_lock(priv);
return ret;
@@ -258,7 +256,6 @@ static int pci1xxxx_otp_read(void *priv_t, unsigned int off,
buf[byte] = readl(rb + MMAP_OTP_OFFSET(OTP_RD_DATA_OFFSET));
}
- ret = byte;
error:
release_sys_lock(priv);
return ret;
@@ -315,7 +312,6 @@ static int pci1xxxx_otp_write(void *priv_t, unsigned int off,
goto error;
}
}
- ret = byte;
error:
release_sys_lock(priv);
return ret;
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 1ec65d87488a..d02f6e881139 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -28,8 +28,8 @@
#define MEI_VSC_MAX_MSG_SIZE 512
-#define MEI_VSC_POLL_DELAY_US (50 * USEC_PER_MSEC)
-#define MEI_VSC_POLL_TIMEOUT_US (200 * USEC_PER_MSEC)
+#define MEI_VSC_POLL_DELAY_US (100 * USEC_PER_MSEC)
+#define MEI_VSC_POLL_TIMEOUT_US (400 * USEC_PER_MSEC)
#define mei_dev_to_vsc_hw(dev) ((struct mei_vsc_hw *)((dev)->hw))
diff --git a/drivers/misc/mei/vsc-fw-loader.c b/drivers/misc/mei/vsc-fw-loader.c
index 596a9d695dfc..084d0205f97d 100644
--- a/drivers/misc/mei/vsc-fw-loader.c
+++ b/drivers/misc/mei/vsc-fw-loader.c
@@ -204,7 +204,7 @@ struct vsc_img_frag {
/**
* struct vsc_fw_loader - represent vsc firmware loader
- * @dev: device used to request fimware
+ * @dev: device used to request firmware
* @tp: transport layer used with the firmware loader
* @csi: CSI image
* @ace: ACE image
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index e6a98dba8a73..1618cca9a731 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -331,12 +331,12 @@ int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, size_t len)
return ret;
}
- ret = vsc_tp_dev_xfer(tp, tp->tx_buf, tp->rx_buf, len);
+ ret = vsc_tp_dev_xfer(tp, tp->tx_buf, ibuf ? tp->rx_buf : NULL, len);
if (ret)
return ret;
if (ibuf)
- cpu_to_be32_array(ibuf, tp->rx_buf, words);
+ be32_to_cpu_array(ibuf, tp->rx_buf, words);
return ret;
}
@@ -568,6 +568,19 @@ static void vsc_tp_remove(struct spi_device *spi)
free_irq(spi->irq, tp);
}
+static void vsc_tp_shutdown(struct spi_device *spi)
+{
+ struct vsc_tp *tp = spi_get_drvdata(spi);
+
+ platform_device_unregister(tp->pdev);
+
+ mutex_destroy(&tp->mutex);
+
+ vsc_tp_reset(tp);
+
+ free_irq(spi->irq, tp);
+}
+
static const struct acpi_device_id vsc_tp_acpi_ids[] = {
{ "INTC1009" }, /* Raptor Lake */
{ "INTC1058" }, /* Tiger Lake */
@@ -580,6 +593,7 @@ MODULE_DEVICE_TABLE(acpi, vsc_tp_acpi_ids);
static struct spi_driver vsc_tp_driver = {
.probe = vsc_tp_probe,
.remove = vsc_tp_remove,
+ .shutdown = vsc_tp_shutdown,
.driver = {
.name = "vsc-tp",
.acpi_match_table = vsc_tp_acpi_ids,
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-03 08:11:11 +0300