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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-19 06:47:01 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-19 06:47:01 +0100
commit73709e1af5163ebf5e9b0e18fe90b7e843657d36 (patch)
tree91ca8b98187ba60e88f8df2e32147fdf651f159e /drivers/staging/android
parentuapi: remove telephony headers (diff)
parentLinux 4.16-rc6 (diff)
downloadlinux-dev-73709e1af5163ebf5e9b0e18fe90b7e843657d36.tar.xz
linux-dev-73709e1af5163ebf5e9b0e18fe90b7e843657d36.zip
Merge 4.16-rc6 into staging-next
We want the staging fixes in here as well to handle merge/test issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/android')
-rw-r--r--drivers/staging/android/ashmem.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 6dbba5aff191..86580b6df33d 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -326,24 +326,23 @@ static loff_t ashmem_llseek(struct file *file, loff_t offset, int origin)
mutex_lock(&ashmem_mutex);
if (asma->size == 0) {
- ret = -EINVAL;
- goto out;
+ mutex_unlock(&ashmem_mutex);
+ return -EINVAL;
}
if (!asma->file) {
- ret = -EBADF;
- goto out;
+ mutex_unlock(&ashmem_mutex);
+ return -EBADF;
}
+ mutex_unlock(&ashmem_mutex);
+
ret = vfs_llseek(asma->file, offset, origin);
if (ret < 0)
- goto out;
+ return ret;
/** Copy f_pos from backing file, since f_ops->llseek() sets it */
file->f_pos = asma->file->f_pos;
-
-out:
- mutex_unlock(&ashmem_mutex);
return ret;
}
@@ -702,16 +701,14 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
size_t pgstart, pgend;
int ret = -EINVAL;
+ if (unlikely(copy_from_user(&pin, p, sizeof(pin))))
+ return -EFAULT;
+
mutex_lock(&ashmem_mutex);
if (unlikely(!asma->file))
goto out_unlock;
- if (unlikely(copy_from_user(&pin, p, sizeof(pin)))) {
- ret = -EFAULT;
- goto out_unlock;
- }
-
/* per custom, you can pass zero for len to mean "everything onward" */
if (!pin.len)
pin.len = PAGE_ALIGN(asma->size) - pin.offset;