staging: vme_user: print more detailed infomation when an error occurs
when the slave_get function pointer belongs to the struct vme_bridge member is NULL, it prompts that the detailed function name "vme_slave_set" equivalent to __func__ not supported. it is similar to the vme_slave_get function: when vme_bridge->slave_set function pointer is NULL to print detailed function name by using __func__. Signed-off-by: Piro Yang <piroyangg@gmail.com> Link: https://lore.kernel.org/r/20231227154739.6951-1-piroyangg@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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