diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-10-01 16:54:05 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-10-03 17:22:36 +1000 |
| commit | d9813c3681a36774b254c0cdc9cce53c9e22c756 (patch) | |
| tree | 8aaf4c7d3f7c9984084e00476bd7d61c6230405f /lib/lz4 | |
| parent | f7e3334a6bcb42e7295a9bd9cb36ca4e6e4e66b4 (diff) | |
powerpc: Fix parameter clobber in csum_partial_copy_generic()
The csum_partial_copy_generic() uses register r7 to adjust the remaining
bytes to process. Unfortunately, r7 also holds a parameter, namely the
address of the flag to set in case of access exceptions while reading
the source buffer. Lacking a quantum implementation of PowerPC, this
commit instead uses register r9 to do the adjusting, leaving r7's
pointer uncorrupted.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'lib/lz4')
0 files changed, 0 insertions, 0 deletions