diff options
| author | David S. Miller <davem@davemloft.net> | 2019-11-02 13:12:51 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-02 13:54:56 -0700 |
| commit | d31e95585ca697fb31440c6fe30113adc85ecfbd (patch) | |
| tree | 4936ea0aaa6b2aeeee4db51e3c60d938c9b9ed96 /drivers/android/binder_alloc.c | |
| parent | c23fcbbc6aa4e0bb615e8a7f23e1f32aec235a1c (diff) | |
| parent | 1204c70d9dcba31164f78ad5d8c88c42335d51f8 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
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 d42a8b2f636a..eb76a823fbb2 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" @@ -689,7 +690,9 @@ 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) { @@ -697,7 +700,6 @@ 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) { |