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authorAmit Pundir <amit.pundir@linaro.org>2016-02-18 00:20:12 +0530
committerAmit Pundir <amit.pundir@linaro.org>2016-02-18 00:20:12 +0530
commit02bbd06e489a9f56910973535152d3ec47f3fdcc (patch)
tree93a9a4d687da4d423c92cc4a82001f3792c0b259 /kernel/debug/kdb/kdb_io.c
parent34f6d2c9d12a97271d55c7b204443b2da9e6c29e (diff)
parent3d0f8b944b0ab4ec79d8d0b93d8038971095337a (diff)
Merge branch 'android-4.4' of https://android.googlesource.com/kernel/common
* android-4.4: (475 commits) android: base-cfg: Add CONFIG_IP_MULTICAST android: recommended.cfg: enable taskstats ANDROID: android: base-cfg: disable CONFIG_SYSVIPC android: configs: base: enable configfs gadget functions android: add CONFIG_DEBUG_RODATA to recommended config android: configs: remove CONFIG_BATTERY_ANDROID=y android: configs: base: enable IPV6 android: configs: Enable SELinux and its dependencies. android: base-cfg: disable ALARM_DEV android: base-cfg: turn off /dev/mem and /dev/kmem android: base-cfg: enable ARMV8_DEPRECATED and subfeatures android: base-cfg: enforce the needed XFRM_MODE_TUNNEL (for VPN) android: base-cfg: disable LOGGER android: base-cfg: enable DM_VERITY (used for secureboot) android: configs: add systrace support to recommended configs android: configs: update 3.10 options android: configs: Add CONFIG_NETFILTER_XT_TARGET_IDLETIMER android: configs: add IPV6 ROUTE INFO android: configs: add TIMER_STATS back, helps with sysrq t. android: configs: Add HIDRAW to recommended set ...
Diffstat (limited to 'kernel/debug/kdb/kdb_io.c')
-rw-r--r--kernel/debug/kdb/kdb_io.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index fc1ef736253c..0b891286a150 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)) {