I received the following error while compiling the kernel: I m ataching the file cosa.c and cosa.h........... PLEASE HELP................ Path of the file is :---- linux-2.6.0-test5/drivers/net/wan/cosa.c

CC [M] drivers/net/wan/cosa.o drivers/net/wan/cosa.c: In function `cosa_ioctl_common': drivers/net/wan/cosa.c:1167: parse error before '[' token drivers/net/wan/cosa.c:1167: case label does not reduce to an integer constant drivers/net/wan/cosa.c:1171: parse error before '[' token drivers/net/wan/cosa.c:1171: case label does not reduce to an integer constant drivers/net/wan/cosa.c:1175: parse error before '[' token drivers/net/wan/cosa.c:1175: case label does not reduce to an integer constant drivers/net/wan/cosa.c:1179: parse error before '[' token drivers/net/wan/cosa.c:1179: case label does not reduce to an integer constant drivers/net/wan/cosa.c:1181: parse error before '[' token drivers/net/wan/cosa.c:1181: case label does not reduce to an integer constant drivers/net/wan/cosa.c:1187: parse error before '[' token drivers/net/wan/cosa.c:1187: case label does not reduce to an integer constant make[3]: *** [drivers/net/wan/cosa.o] Error 1 make[2]: *** [drivers/net/wan] Error 2 make[1]: *** [drivers/net] Error 2 make: *** [drivers] Error 2 INSTALL drivers/net/3c501.ko cp: cannot stat `drivers/net/3c501.ko': No such file or directory make[1]: *** [drivers/net/3c501.ko] Error 1 make: *** [_modinst_] Error 2