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author | Colin Ian King <colin.king@canonical.com> | 2015-10-08 19:00:58 (GMT) |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-10-08 21:03:03 (GMT) |
commit | c13e1c05b22b504bf0d72fc762a02be37df2d1b0 (patch) | |
tree | 796f88a14c65ab3de13d3044a1d02bd419c12100 | |
parent | f78f7ed72632a0794161f290b89e2cd752f55202 (diff) | |
download | linux-c13e1c05b22b504bf0d72fc762a02be37df2d1b0.tar.xz |
powerpc/pseries/hvcserver: don't memset pi_buff if it is null
pi_buff is being memset before it is sanity checked. Move the
memset after the null pi_buff sanity check to avoid an oops.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r-- | arch/powerpc/platforms/pseries/hvcserver.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/hvcserver.c b/arch/powerpc/platforms/pseries/hvcserver.c index eedb645..94a6e56 100644 --- a/arch/powerpc/platforms/pseries/hvcserver.c +++ b/arch/powerpc/platforms/pseries/hvcserver.c @@ -142,11 +142,11 @@ int hvcs_get_partner_info(uint32_t unit_address, struct list_head *head, int more = 1; int retval; - memset(pi_buff, 0x00, PAGE_SIZE); /* invalid parameters */ if (!head || !pi_buff) return -EINVAL; + memset(pi_buff, 0x00, PAGE_SIZE); last_p_partition_ID = last_p_unit_address = ~0UL; INIT_LIST_HEAD(head); |