The memory allocation functions (kvzalloc) already emit a stack dump
on failure when GFP_KERNEL is used. Printing an extra error message
is redundant and increases code size.
This resolves the checkpatch warnings:
WARNING: Possible unnecessary 'out of memory' message
Signed-off-by: Zixuan Dong <dbeidachazi@foxmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>