mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 09:39:00 +00:00
cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
101 lines
2.9 KiB
Diff
101 lines
2.9 KiB
Diff
From 0ad840e46732e95df274a84b042dcb210be9f946 Mon Sep 17 00:00:00 2001
|
|
From: Roy Pledge <roy.pledge@nxp.com>
|
|
Date: Thu, 28 Mar 2019 09:56:35 -0400
|
|
Subject: [PATCH] sdk_qbman: Avoid variable length array in USDPAA
|
|
|
|
As of Linux 5.0 variable length arrays on the stack are no
|
|
longer allowed. Change to a dynamic array and create a common
|
|
exit point in the function for cleanup.
|
|
|
|
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
|
|
---
|
|
drivers/staging/fsl_qbman/fsl_usdpaa.c | 36 +++++++++++++++++-----------------
|
|
1 file changed, 18 insertions(+), 18 deletions(-)
|
|
|
|
--- a/drivers/staging/fsl_qbman/fsl_usdpaa.c
|
|
+++ b/drivers/staging/fsl_qbman/fsl_usdpaa.c
|
|
@@ -559,6 +559,7 @@ static bool check_portal_channel(void *c
|
|
|
|
static int usdpaa_release(struct inode *inode, struct file *filp)
|
|
{
|
|
+ int err = 0;
|
|
struct ctx *ctx = filp->private_data;
|
|
struct mem_mapping *map, *tmpmap;
|
|
struct portal_mapping *portal, *tmpportal;
|
|
@@ -569,9 +570,14 @@ static int usdpaa_release(struct inode *
|
|
struct qm_portal_config *qm_alloced_portal = NULL;
|
|
struct bm_portal_config *bm_alloced_portal = NULL;
|
|
|
|
- struct qm_portal *portal_array[qman_portal_max];
|
|
+ struct qm_portal **portal_array;
|
|
int portal_count = 0;
|
|
|
|
+ portal_array = kmalloc_array(qman_portal_max,
|
|
+ sizeof(struct qm_portal *), GFP_KERNEL);
|
|
+ if (!portal_array)
|
|
+ return -ENOMEM;
|
|
+
|
|
/* Ensure the release operation cannot be migrated to another
|
|
CPU as CPU specific variables may be needed during cleanup */
|
|
#ifdef CONFIG_PREEMPT_RT_FULL
|
|
@@ -612,18 +618,14 @@ static int usdpaa_release(struct inode *
|
|
qm_alloced_portal = qm_get_unused_portal();
|
|
if (!qm_alloced_portal) {
|
|
pr_crit("No QMan portal avalaible for cleanup\n");
|
|
-#ifdef CONFIG_PREEMPT_RT_FULL
|
|
- migrate_enable();
|
|
-#endif
|
|
- return -1;
|
|
+ err = -1;
|
|
+ goto done;
|
|
}
|
|
qm_cleanup_portal = kmalloc(sizeof(struct qm_portal),
|
|
GFP_KERNEL);
|
|
if (!qm_cleanup_portal) {
|
|
-#ifdef CONFIG_PREEMPT_RT_FULL
|
|
- migrate_enable();
|
|
-#endif
|
|
- return -ENOMEM;
|
|
+ err = -ENOMEM;
|
|
+ goto done;
|
|
}
|
|
init_qm_portal(qm_alloced_portal, qm_cleanup_portal);
|
|
portal_array[portal_count] = qm_cleanup_portal;
|
|
@@ -633,18 +635,14 @@ static int usdpaa_release(struct inode *
|
|
bm_alloced_portal = bm_get_unused_portal();
|
|
if (!bm_alloced_portal) {
|
|
pr_crit("No BMan portal avalaible for cleanup\n");
|
|
-#ifdef CONFIG_PREEMPT_RT_FULL
|
|
- migrate_enable();
|
|
-#endif
|
|
- return -1;
|
|
+ err = -1;
|
|
+ goto done;
|
|
}
|
|
bm_cleanup_portal = kmalloc(sizeof(struct bm_portal),
|
|
GFP_KERNEL);
|
|
if (!bm_cleanup_portal) {
|
|
-#ifdef CONFIG_PREEMPT_RT_FULL
|
|
- migrate_enable();
|
|
-#endif
|
|
- return -ENOMEM;
|
|
+ err = -ENOMEM;
|
|
+ goto done;
|
|
}
|
|
init_bm_portal(bm_alloced_portal, bm_cleanup_portal);
|
|
}
|
|
@@ -721,10 +719,12 @@ static int usdpaa_release(struct inode *
|
|
}
|
|
|
|
kfree(ctx);
|
|
+done:
|
|
#ifdef CONFIG_PREEMPT_RT_FULL
|
|
migrate_enable();
|
|
#endif
|
|
- return 0;
|
|
+ kfree(portal_array);
|
|
+ return err;
|
|
}
|
|
|
|
static int check_mmap_dma(struct ctx *ctx, struct vm_area_struct *vma,
|