Merge 5.4-rc5 into char-misc-next

We want the binder fix in here as well for testing and to work on top
of.

Also handles a merge issue in binder.c to help linux-next out

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2019-10-27 18:48:33 +01:00
594 changed files with 5350 additions and 3246 deletions

View File

@@ -93,10 +93,6 @@ static atomic_t binder_last_id;
static int proc_show(struct seq_file *m, void *unused);
DEFINE_SHOW_ATTRIBUTE(proc);
#ifndef SZ_4M
#define SZ_4M 0x400000
#endif
#define FORBIDDEN_MMAP_FLAGS (VM_WRITE)
enum {
@@ -5173,9 +5169,6 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
if (proc->tsk != current->group_leader)
return -EINVAL;
if ((vma->vm_end - vma->vm_start) > SZ_4M)
vma->vm_end = vma->vm_start + SZ_4M;
binder_debug(BINDER_DEBUG_OPEN_CLOSE,
"%s: %d %lx-%lx (%ld K) vma %lx pagep %lx\n",
__func__, proc->pid, vma->vm_start, vma->vm_end,

View File

@@ -22,6 +22,7 @@
#include <asm/cacheflush.h>
#include <linux/uaccess.h>
#include <linux/highmem.h>
#include <linux/sizes.h>
#include "binder_alloc.h"
#include "binder_trace.h"
@@ -688,7 +689,9 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc,
alloc->buffer = (void __user *)vma->vm_start;
mutex_unlock(&binder_alloc_mmap_lock);
alloc->pages = kcalloc((vma->vm_end - vma->vm_start) / PAGE_SIZE,
alloc->buffer_size = min_t(unsigned long, vma->vm_end - vma->vm_start,
SZ_4M);
alloc->pages = kcalloc(alloc->buffer_size / PAGE_SIZE,
sizeof(alloc->pages[0]),
GFP_KERNEL);
if (alloc->pages == NULL) {
@@ -696,7 +699,6 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc,
failure_string = "alloc page array";
goto err_alloc_pages_failed;
}
alloc->buffer_size = vma->vm_end - vma->vm_start;
buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
if (!buffer) {