diff options
author | Mark Brown <broonie@linaro.org> | 2013-12-09 11:37:00 +0000 |
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committer | Mark Brown <broonie@linaro.org> | 2013-12-09 11:37:00 +0000 |
commit | eed4bafd63b5584adb832a582a931ecba41dec55 (patch) | |
tree | 5855807caaf53aec80037b2635eb2e2c0744565b /kernel/debug/kdb/kdb_io.c | |
parent | 8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff) | |
parent | 2c06cb20454795a38876be5bd93dd6a8ddcc9d98 (diff) |
Merge branch 'android-3.10' of https://android.googlesource.com/kernel/common into lsk-v3.10-aosp
Diffstat (limited to 'kernel/debug/kdb/kdb_io.c')
-rw-r--r-- | kernel/debug/kdb/kdb_io.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index 14ff4849262..4b0fb2fb779 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -216,7 +216,7 @@ static char *kdb_read(char *buffer, size_t bufsize) int i; int diag, dtab_count; int key; - + static int last_crlf; diag = kdbgetintenv("DTABCOUNT", &dtab_count); if (diag) @@ -237,6 +237,9 @@ poll_again: return buffer; if (key != 9) tab = 0; + if (key != 10 && key != 13) + last_crlf = 0; + switch (key) { case 8: /* backspace */ if (cp > buffer) { @@ -254,7 +257,12 @@ poll_again: *cp = tmp; } break; - case 13: /* enter */ + case 10: /* new line */ + case 13: /* carriage return */ + /* handle \n after \r */ + if (last_crlf && last_crlf != key) + break; + last_crlf = key; *lastchar++ = '\n'; *lastchar++ = '\0'; if (!KDB_STATE(KGDB_TRANS)) { |