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authorMinchan Kim <minchan@kernel.org>2014-04-07 15:38:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:36:02 -0700
commit60a726e33375a1096e85399cfa1327081b4c38be (patch)
tree3316be45cfc8844bdec5e742cac59f1ebc0dab2f /Documentation/video4linux
parentfcfa8d95cacf5cbbe6dee6b8d229fe86142266e0 (diff)
downloadblackbird-obmc-linux-60a726e33375a1096e85399cfa1327081b4c38be.tar.gz
blackbird-obmc-linux-60a726e33375a1096e85399cfa1327081b4c38be.zip
zram: propagate error to user
When we initialized zcomp with single, we couldn't change max_comp_streams without zram reset but current interface doesn't show any error to user and even it changes max_comp_streams's value without any effect so it would make user very confusing. This patch prevents max_comp_streams's change when zcomp was initialized as single zcomp and emit the error to user(ex, echo). [akpm@linux-foundation.org: don't return with the lock held, per Sergey] [fengguang.wu@intel.com: fix coccinelle warnings] Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Jerome Marchand <jmarchan@redhat.com> Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/video4linux')
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