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staging/nvec:: avoid Wempty-body warning

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This driver has a few disabled diagnostics, which can probably
just get removed, or might still be helpful:

drivers/staging/nvec/nvec_ps2.c: In function 'nvec_ps2_notifier':
drivers/staging/nvec/nvec_ps2.c:94:77: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
   94 |                         NVEC_PHD("unhandled mouse event: ", msg, msg[1] + 2);

Changing the empty macro to the usual 'do {} while (0)' at least
shuts up the compiler warnings.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210322103545.704121-2-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2021-03-22 11:35:40 +01:00 committed by Greg Kroah-Hartman
parent 3eb631e321
commit 946e2f007f
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/nvec/nvec_ps2.c
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@ -28,7 +28,7 @@
print_hex_dump(KERN_DEBUG, str, DUMP_PREFIX_NONE, \
16, 1, buf, len, false)
#else
#define NVEC_PHD(str, buf, len)
#define NVEC_PHD(str, buf, len) do { } while (0)
#endif
enum ps2_subcmds {