usb: gadget: udc: pxa27x_udc: Remove use of seq_printf return value
The seq_printf return value, because it's frequently misused, will eventually be converted to void. See: commit 1f33c41c ("seq_file: Rename seq_overflow() to seq_has_overflowed() and make public") While there, simplify the error handler logic by returning immediately and remove the unnecessary labels. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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