summaryrefslogtreecommitdiffstats
path: root/drivers/android/binder_alloc.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-27 18:48:33 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-27 18:48:33 +0100
commitda80d2e516eb858eb5bcca7fa5f5a13ed86930e4 (patch)
tree98b4884ed60861b5698ca770449b7484a7c8ae57 /drivers/android/binder_alloc.c
parent6859eba4f6fbc515ea05f53b77ec55f49a6dcf0f (diff)
parentd6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff)
downloadlinux-da80d2e516eb858eb5bcca7fa5f5a13ed86930e4.tar.gz
linux-da80d2e516eb858eb5bcca7fa5f5a13ed86930e4.tar.bz2
linux-da80d2e516eb858eb5bcca7fa5f5a13ed86930e4.zip
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>
Diffstat (limited to 'drivers/android/binder_alloc.c')
-rw-r--r--drivers/android/binder_alloc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index 2faada3e97fd..1cbe37823de2 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -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) {