summaryrefslogtreecommitdiff
path: root/arch/s390/include
diff options
context:
space:
mode:
authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-02-24 16:18:55 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2014-02-24 17:14:00 +0100
commit823002023da6d9124ed63bc622267c15ab2a7347 (patch)
treecd2b74ff1b6844cca9821d63dfd7180b0a452c06 /arch/s390/include
parent9499934f70deac0cdb96aa2d90f2a0a2de69d80c (diff)
s390/uaccess: remove copy_from_user_real()
There is no user left, so remove it. It was also potentially broken, since the function didn't clear destination memory if copy_from_user() failed. Which would allow for information leaks. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/uaccess.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 2710b41eed22..4133b3f72fb0 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -344,6 +344,5 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo
}
int copy_to_user_real(void __user *dest, void *src, unsigned long count);
-int copy_from_user_real(void *dest, void __user *src, unsigned long count);
#endif /* __S390_UACCESS_H */