diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2012-03-16 13:17:13 +0100 |
|---|---|---|
| committer | Jason Wessel <jason.wessel@windriver.com> | 2012-03-22 15:07:15 -0500 |
| commit | 9fbe465efc76044dd87afe764db5464ae61aeabc (patch) | |
| tree | b01f5206d050f29875438cc1d2e51a7190fc1c0c /kernel/debug/gdbstub.c | |
| parent | 639077fb69aec8112e5427210a83d0fb192969f0 (diff) | |
| download | linux-stable-9fbe465efc76044dd87afe764db5464ae61aeabc.tar.gz linux-stable-9fbe465efc76044dd87afe764db5464ae61aeabc.tar.bz2 linux-stable-9fbe465efc76044dd87afe764db5464ae61aeabc.zip | |
kgdb: Respect that flush op is optional
Not all kgdb I/O drivers implement a flush operation. Adjust
gdbstub_exit accordingly.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'kernel/debug/gdbstub.c')
| -rw-r--r-- | kernel/debug/gdbstub.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index c22d8c28ad84..5a155742ae96 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -1129,5 +1129,6 @@ void gdbstub_exit(int status) dbg_io_ops->write_char(hex_asc_lo(checksum)); /* make sure the output is flushed, lest the bootloader clobber it */ - dbg_io_ops->flush(); + if (dbg_io_ops->flush) + dbg_io_ops->flush(); } |