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(parent: 2436c31) | patch
staging: mt7621-mmc: Fix: copy_from_user() returns a positive value
authorChristian Lütke-Stetzkamp <christian@lkamp.de>
Sat, 7 Apr 2018 08:16:24 +0000 (10:16 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 23 Apr 2018 13:36:31 +0000 (15:36 +0200)
commit0e0836625b0a5efb1b86b2836b0d2349c66753de
tree7b582ce5e4db81719044b7496a3ac71fd407e4b3tree | snapshot
parent2436c3156edfc127484c356f5dd6d713cf54d9f9commit | diff
staging: mt7621-mmc: Fix: copy_from_user() returns a positive value

copy_from_user() returns a positive value in case of an error, to fix
this the check is turned around, also a better return value is chosen.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/mt7621-mmc/dbg.c diff | blob | history
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