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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2013-04-19 18:03:02 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-04-23 10:18:07 +0200 |
| commit | 241fd9bcbc10c144531e88b5e3a62bc11090e5e4 (patch) | |
| tree | 303ab61c82877bf1572509b49ba964152864e7f0 | |
| parent | ab8e5235868f99dfc779e4eaff28f53d63714ce4 (diff) | |
| download | op-kernel-dev-241fd9bcbc10c144531e88b5e3a62bc11090e5e4.zip op-kernel-dev-241fd9bcbc10c144531e88b5e3a62bc11090e5e4.tar.gz | |
s390/zcore: Fix HSA copy length for last block
Currently always one page is copied to a user buffer for the last
HSA block in memcpy_hsa(). Now the correct length is used.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | drivers/s390/char/zcore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 1d61a01..2282061 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -127,7 +127,7 @@ static int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode) } if (mode == TO_USER) { if (copy_to_user((__force __user void*) dest + offs, buf, - PAGE_SIZE)) + count - offs)) return -EFAULT; } else memcpy(dest + offs, buf, count - offs); |
