[PATCH 3.16.y-ckt 170/180] firmware/ihex2fw.c: restore missing default in switch statement

[Luis Henriques]

3.16.7-ckt11 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nicolas Iooss <nicolas.iooss_linux@xxxxxxx>

commit d43698e8abb58a6ac47d16e0f47bb55f452e4fc4 upstream.

Commit 2473238eac95 ("ihex: add support for CS:IP/EIP records") removes
the "default:" statement in the switch block, making the "return
usage();" line dead code and ihex2fw silently ignoring unknown options.
Restore this statement.

This bug was found by building with HOSTCC=clang and adding
-Wunreachable-code-return to HOSTCFLAGS.

Fixes: 2473238eac95 ("ihex: add support for CS:IP/EIP records")
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@xxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
 firmware/ihex2fw.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/firmware/ihex2fw.c b/firmware/ihex2fw.c
index cf38e159131a..08d90e25abf0 100644
--- a/firmware/ihex2fw.c
+++ b/firmware/ihex2fw.c
@@ -86,6 +86,7 @@ int main(int argc, char **argv)
 		case 'j':
 			include_jump = 1;
 			break;
+		default:
 			return usage();
 		}
 	}
--
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