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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 17:21:26 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 17:21:26 +1000 |
| commit | b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5 (patch) | |
| tree | 518ec8f4bfd316e91bcc30f434edb78529557eba /kernel/debug/gdbstub.c | |
| parent | 8a63b1994c500d4825ee73dc71502deffe5b135b (diff) | |
| parent | 4bb2d1009f671815870e8f78e826e4f9071392a7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to add prerequisite for ARM ux500 crypto support.
Diffstat (limited to 'kernel/debug/gdbstub.c')
| -rw-r--r-- | kernel/debug/gdbstub.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index c22d8c28ad8..ce615e06448 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -1111,6 +1111,13 @@ void gdbstub_exit(int status) unsigned char checksum, ch, buffer[3]; int loop; + if (!kgdb_connected) + return; + kgdb_connected = 0; + + if (!dbg_io_ops || dbg_kdb_mode) + return; + buffer[0] = 'W'; buffer[1] = hex_asc_hi(status); buffer[2] = hex_asc_lo(status); @@ -1129,5 +1136,6 @@ 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(); } |