diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 18:48:33 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 18:48:33 +0100 |
commit | da80d2e516eb858eb5bcca7fa5f5a13ed86930e4 (patch) | |
tree | 98b4884ed60861b5698ca770449b7484a7c8ae57 /drivers/android/binder_alloc.c | |
parent | 6859eba4f6fbc515ea05f53b77ec55f49a6dcf0f (diff) | |
parent | d6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff) | |
download | linux-da80d2e516eb858eb5bcca7fa5f5a13ed86930e4.tar.bz2 |
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.c | 6 |
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) { |