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char: mspec: Use kvzalloc() in mspec_mmap()

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Use kvzalloc() in mspec_mmap() instead of open-coding it.

Signed-off-by: Denis Efremov <efremov@linux.com>
Link: https://lore.kernel.org/r/20200827213421.50429-1-efremov@linux.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Denis Efremov
2020-08-28 00:34:21 +03:00
committed by Greg Kroah-Hartman
parent 284f52ac1c
commit fe69795e84
1 changed files with 1 additions and 4 deletions
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5
drivers/char/mspec.c
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@@ -195,10 +195,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma,
pages = vma_pages(vma); pages = vma_pages(vma);
vdata_size = sizeof(struct vma_data) + pages * sizeof(long); vdata_size = sizeof(struct vma_data) + pages * sizeof(long);
if (vdata_size <= PAGE_SIZE) vdata = kvzalloc(vdata_size, GFP_KERNEL);
vdata = kzalloc(vdata_size, GFP_KERNEL);
else
vdata = vzalloc(vdata_size);
if (!vdata) if (!vdata)
return -ENOMEM; return -ENOMEM;