kgdb: Respect that flush op is optional

Not all kgdb I/O drivers implement a flush operation. Adjust gdbstub_exit accordingly.

Jan Kiszka committed 14 years ago

Commit 9fbe4651 parent 639077f1 file · +2 −1Browse files

Unified · Split

@@ -1129,5 +1129,6 @@ void gdbstub_exit(int status) · 1128 unmodified lines
1129	dbg_io_ops->write_char(hex_asc_lo(checksum));	1129	dbg_io_ops->write_char(hex_asc_lo(checksum));
1130		1130
1131	/* make sure the output is flushed, lest the bootloader clobber it */	1131	/* make sure the output is flushed, lest the bootloader clobber it */
1132	dbg_io_ops->flush();	1132	if (dbg_io_ops->flush)
		1133	dbg_io_ops->flush();
1133	}	1134	}

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