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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-10-14 14:08:35 +0200 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-10-24 17:17:07 +0200 |
commit | 57f47ba0cb74303230a373d27238a0aaa0df3775 (patch) | |
tree | 92bea4736086a721aafd7d5d0fdcf31b5fc3ba97 /drivers/s390 | |
parent | 041058a16a71a1257a1c3c19a55d74641912b918 (diff) | |
download | op-kernel-dev-57f47ba0cb74303230a373d27238a0aaa0df3775.zip op-kernel-dev-57f47ba0cb74303230a373d27238a0aaa0df3775.tar.gz |
s390/appldata: make copy_from_user() invocations provably correct
Just change the type of "len" to unsigned int so the compiler can prove
that we don't have a buffer overflow (and generates less code).
We get rid of these:
In function 'copy_from_user',
inlined from 'appldata_interval_handler' at
arch/s390/appldata/appldata_base.c:265:
uaccess.h:303: warning: call to 'copy_from_user_overflow' declared
with attribute warning: copy_from_user() buffer size is not provably
correct
In function 'copy_from_user',
inlined from 'appldata_timer_handler' at
arch/s390/appldata/appldata_base.c:225:
uaccess.h:303: warning: call to 'copy_from_user_overflow' declared
with attribute warning: copy_from_user() buffer size is not provably
correct
In function 'copy_from_user',
inlined from 'appldata_generic_handler' at
arch/s390/appldata/appldata_base.c:333:
uaccess.h:303: warning: call to 'copy_from_user_overflow' declared
with attribute warning: copy_from_user() buffer size is not provably
correct
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
0 files changed, 0 insertions, 0 deletions