[openwrt/openwrt] mwlwifi: Update to version 10.3.4.0-20180226

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/0a3df09cd1e60261501936fcc7d298a48ebf6681

commit 0a3df09cd1e60261501936fcc7d298a48ebf6681
Author: Kabuli Chana <newtownBuild at gmail.com>
AuthorDate: Sun Feb 25 21:46:55 2018 -0700

    mwlwifi: Update to version 10.3.4.0-20180226
    
    move to latest version, address vfs_write issue
    
    Signed-off-by: Kabuli Chana <newtownBuild at gmail.com>
---
 package/kernel/mwlwifi/Makefile                    |  6 +--
 .../mwlwifi/patches/001-remove-vfs_write.patch     | 58 ++++++++++++++++++++--
 2 files changed, 58 insertions(+), 6 deletions(-)

diff --git a/package/kernel/mwlwifi/Makefile b/package/kernel/mwlwifi/Makefile
index 9e32f3e..8e9c88d 100644
--- a/package/kernel/mwlwifi/Makefile
+++ b/package/kernel/mwlwifi/Makefile
@@ -15,9 +15,9 @@ PKG_LICENSE_FILES:=
 
 PKG_SOURCE_URL:=https://github.com/kaloz/mwlwifi
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2018-01-18
-PKG_SOURCE_VERSION:=a149180fecec4fbaafb3f52ae46e33bd66501441
-PKG_MIRROR_HASH:=e5a791182208eea4602692e5453dc67bfe87f080b6f03b1c6d1657b546f93b31
+PKG_SOURCE_DATE:=2018-02-26
+PKG_SOURCE_VERSION:=51350a3e085a811179a270baddcae03ec9384f07
+PKG_MIRROR_HASH:=847f064b13e76e38402e118ee16569d49887051294eb99611cf025039721d4cc
 
 PKG_MAINTAINER:=Imre Kaloz <kaloz at openwrt.org>
 PKG_BUILD_PARALLEL:=1
diff --git a/package/kernel/mwlwifi/patches/001-remove-vfs_write.patch b/package/kernel/mwlwifi/patches/001-remove-vfs_write.patch
index 4945999..f638dc6 100644
--- a/package/kernel/mwlwifi/patches/001-remove-vfs_write.patch
+++ b/package/kernel/mwlwifi/patches/001-remove-vfs_write.patch
@@ -1,6 +1,6 @@
 --- a/debugfs.c
 +++ b/debugfs.c
-@@ -87,7 +87,6 @@ static void core_dump_file(u8 *valbuf, u
+@@ -279,7 +279,6 @@ static void core_dump_file(u8 *valbuf, u
  			   u32 append, u32 totallen, bool textmode)
  {
  	struct file *filp_core = NULL;
@@ -8,7 +8,7 @@
  	char file_name[40];
  	u8 *buf = kmalloc(length * 3, GFP_KERNEL);
  	u8 *data_p = buf;
-@@ -100,9 +99,6 @@ static void core_dump_file(u8 *valbuf, u
+@@ -292,9 +291,6 @@ static void core_dump_file(u8 *valbuf, u
  	sprintf(file_name, "/dev/shm/coredump-%x-%x",
  		region, (region + totallen));
  
@@ -18,7 +18,7 @@
  	if (append)
  		filp_core = filp_open(file_name, O_RDWR | O_APPEND, 0);
  	else
-@@ -125,15 +121,15 @@ static void core_dump_file(u8 *valbuf, u
+@@ -317,15 +313,15 @@ static void core_dump_file(u8 *valbuf, u
  			}
  			data_p = buf + j;
  			data_p += sprintf(data_p, "\n");
@@ -38,3 +38,55 @@
  	kfree(buf);
  }
  
+@@ -1339,7 +1335,6 @@ static ssize_t mwl_debugfs_ba_hist_read(
+ 	u8 bmap0flag, nobaflag;
+ 	char buff[500], file_location[20];
+ 	struct file *filp_bahisto;
+-	mm_segment_t oldfs;
+ 	u8 *data_p = buff;
+ 	ssize_t ret;
+ 
+@@ -1355,13 +1350,10 @@ static ssize_t mwl_debugfs_ba_hist_read(
+ 	memset(file_location, 0, sizeof(file_location));
+ 	sprintf(file_location, "/tmp/ba_histo-%d", priv->ba_aid);
+ 
+-	oldfs = get_fs();
+-	set_fs(KERNEL_DS);
+ 	filp_bahisto = filp_open(file_location,
+ 				 O_RDWR | O_CREAT | O_TRUNC, 0);
+ 
+ 	if (IS_ERR(filp_bahisto)) {
+-		set_fs(oldfs);
+ 		ret = -EIO;
+ 		goto err;
+ 	}
+@@ -1402,8 +1394,8 @@ static ssize_t mwl_debugfs_ba_hist_read(
+ 
+ 			/* Buffer is full. Write to file and reset buf */
+ 			if ((strlen(buff) + 36) >= 500) {
+-				vfs_write(filp_bahisto, buff, strlen(buff),
+-					  &filp_bahisto->f_pos);
++				kernel_write(filp_bahisto, buff, strlen(buff),
++					     &filp_bahisto->f_pos);
+ 				mdelay(2);
+ 				memset(buff, 0, sizeof(buff));
+ 				data_p = buff;
+@@ -1427,8 +1419,8 @@ static ssize_t mwl_debugfs_ba_hist_read(
+ 				data_p += sprintf(data_p, "%8d\n", nobaflag);
+ 		}
+ 
+-		vfs_write(filp_bahisto, buff, strlen(buff),
+-			  &filp_bahisto->f_pos);
++		kernel_write(filp_bahisto, buff, strlen(buff),
++			     &filp_bahisto->f_pos);
+ 		len += scnprintf(p + len, size - len,
+ 				 "hole: %d, expect: %d, bmap0: %d, noba: %d\n",
+ 				 baholecnt, baexpcnt, bmap0cnt, nobacnt);
+@@ -1441,7 +1433,6 @@ static ssize_t mwl_debugfs_ba_hist_read(
+ 				 priv->ba_aid);
+ 
+ 	filp_close(filp_bahisto, current->files);
+-	set_fs(oldfs);
+ 
+ 	ret = simple_read_from_buffer(ubuf, count, ppos, p, len);
+