epson1355fb.c: fix error handling code

Fix error handling code

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>