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authorDaniel Thompson <daniel.thompson@linaro.org>2024-04-24 15:03:37 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-06-16 13:51:09 +0200
commitda1773e15774581f9fb44a6270df8f44fcab96fc (patch)
treeeda5f2bc9669677606d14252f7b0e8b20483ae32
parenta77747d6b0466b102e7f6b043d39b6172e5eca02 (diff)
kdb: Merge identical case statements in kdb_read()
commit 6244917f377bf64719551b58592a02a0336a7439 upstream. The code that handles case 14 (down) and case 16 (up) has been copy and pasted despite being byte-for-byte identical. Combine them. Cc: stable@vger.kernel.org # Not a bug fix but it is needed for later bug fixes Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Justin Stitt <justinstitt@google.com> Link: https://lore.kernel.org/r/20240424-kgdb_read_refactor-v3-4-f236dbe9828d@linaro.org Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--kernel/debug/kdb/kdb_io.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 5fccb46f399e..a73779529803 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -317,6 +317,7 @@ poll_again:
}
break;
case 14: /* Down */
+ case 16: /* Up */
memset(tmpbuffer, ' ',
strlen(kdb_prompt_str) + (lastchar-buffer));
*(tmpbuffer+strlen(kdb_prompt_str) +
@@ -331,15 +332,6 @@ poll_again:
++cp;
}
break;
- case 16: /* Up */
- memset(tmpbuffer, ' ',
- strlen(kdb_prompt_str) + (lastchar-buffer));
- *(tmpbuffer+strlen(kdb_prompt_str) +
- (lastchar-buffer)) = '\0';
- kdb_printf("\r%s\r", tmpbuffer);
- *lastchar = (char)key;
- *(lastchar+1) = '\0';
- return lastchar;
case 9: /* Tab */
if (tab < 2)
++tab;