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menu: Return an error code if Ctrl-C is pressed 

Previously, if the menu activated by the 'sysboot' command gets
interrupted by a Ctrl-C, the behaviour is as if the menu timeout was
reached - i.e. boot the default menu entry. This patch fixes that
so a Ctrl-C now terminates the command as the user would expect.

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Tuomas Tynkkynen 2015-05-07 21:29:19 +03:00 committed by Tom Rini
parent 0ece6b50f1
commit 9b081d8893
1 changed files with 3 additions and 0 deletions
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3
common/menu.c
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@ -202,6 +202,9 @@ static inline int menu_interactive_choice(struct menu *m, void **choice)
choice_item = menu_item_by_key(m, cbuf);
if (!choice_item)
printf("%s not found\n", cbuf);
} else if (readret == -1) {
printf("<INTERRUPT>\n");
return -EINTR;
} else {
return menu_default_choice(m, choice);
}