m68k: Avoid VLA use in mangle_kernel_stack()

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With gcc 7.3.0:

    arch/m68k/kernel/signal.c: In function ‘mangle_kernel_stack’:
    arch/m68k/kernel/signal.c:654:3: warning: ISO C90 forbids variable length array ‘buf’ [-Wvla]
       unsigned long buf[fsize / 2]; /* yes, twice as much */
       ^~~~~~~~

Replace the variable size by the upper limit, which is 168 bytes.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

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Geert Uytterhoeven 2019-01-06 11:47:00 +01:00

parent 9c0e91f6b7

commit 35f61d7b3b

1 changed files with 2 additions and 1 deletions

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arch/m68k/kernel/signal.c

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