md: don't return 0 from array_state_store

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Returning zero from a 'store' function is bad.
The return value should be either len length of the string
or an error.

So use 'len' if 'err' is zero.

Fixes: 6791875e2e ("md: make reconfig_mutex optional for writes to md sysfs files.")
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@vger.kernel (v4.0+)

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NeilBrown 2015-06-12 19:46:44 +10:00

parent c65b99f046

commit c008f1d356

1 changed files with 1 additions and 1 deletions

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drivers/md/md.c

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