Hi, * Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> [160107 10:54]: > On Thu, Jan 7, 2016 at 1:37 AM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > > Hello file (standard input) matches, > > > > The patch ad4e09b16ad3: "[PATCH] OMAP: Add keypad driver", leads to the > > following static checker warning: > > > > drivers/input/keyboard/omap-keypad.c:158 omap_kp_tasklet() > > warn: 'keycodes[]' is never negative. > > It looks like you are not resolving commits correctly, the original > submission did not have this issue. > > > > > drivers/input/keyboard/omap-keypad.c ... > > 152 #ifdef NEW_BOARD_LEARNING_MODE > > 153 printk(KERN_INFO "omap-keypad: key %d-%d %s\n", col, > > 154 row, (new_state[col] & (1 << row)) ? > > 155 "pressed" : "released"); > > 156 #else > > 157 key = keycodes[MATRIX_SCAN_CODE(row, col, row_shift)]; > > 158 if (key < 0) { > > ^^^^^^^ > > Never true. Not sure what was intended. > > It looks like this check was broken by > da1f026b532ce944d74461497dc6d8c16456466e (Keyboard: omap-keypad: use > matrix_keypad.h). Previously the driver would expect a list of known > keys and would scan it and return -1 if key was not found. Now we have > 2 options: > > 1. Simply remove the check > 2. Change the condition to "if (key == KEY_RESERVED)" > > I do not really have preference. Tony? Sounds like the check is not needed if it has not been used for past five years, so my preference is option #1 then. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html