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authorJan Glauber <jang@linux.vnet.ibm.com>2011-03-23 10:16:01 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-03-23 10:15:59 +0100
commit9a26513eb67ec4b2cb1744834076afad21b68aac (patch)
tree20062d931215ca303a6f601e32c8d21db73a80ee /drivers/ide/ide-tape.c
parent4cc69531f91dfa1668af5e9d8efe9e3bc7b64548 (diff)
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[S390] qdio: prevent handling of buffers if count is zero
Exit do_QDIO early if the buffer count is zero to prevent side effects in the following functions. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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