greybus: use memdup_user()

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Coccinelle reports that there are two opportunities to use memdup_user()
in "authentication.c".  This patch simplifies the code in cap_ioctl() by
taking advantage of that.  Make use of a local variable "size" to improve
readability.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Alex Elder 2016-07-14 14:24:19 -05:00 • committed by Greg Kroah-Hartman

parent 99ade1766d

commit fc0c38b3d1

1 changed files with 13 additions and 27 deletions

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40

drivers/staging/greybus/authentication.c

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