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ccf1d2b4a1
GCC 15's new -Wunterminated-string-initialization notices that the
16 character lookup table "nibbles" (which is not used as a C-String)
needs to be marked as "nonstring":
drivers/input/joystick/magellan.c: In function 'magellan_crunch_nibbles':
drivers/input/joystick/magellan.c:51:44: warning: initializer-string for array of 'unsigned char' truncates NUL terminator but destination lacks 'nonstring' attribute (17 chars into 16 available) [-Wunterminated-string-initialization]
51 | static unsigned char nibbles[16] = "0AB3D56GH9:K<MN?";
| ^~~~~~~~~~~~~~~~~~
While the annotation was added in commit 48709ee1fa9a ("gcc-15: add
'__nonstring' markers to byte arrays") also mark the table as const.
Signed-off-by: Kees Cook <kees@kernel.org>