diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grufault.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 38657cdaf54..f74fc0ca2ef 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -33,6 +33,7 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/security.h> +#include <linux/prefetch.h> #include <asm/pgtable.h> #include "gru.h" #include "grutables.h" @@ -875,8 +876,9 @@ int gru_set_context_option(unsigned long arg) switch (req.op) { case sco_blade_chiplet: /* Select blade/chiplet for GRU context */ - if (req.val1 < -1 || req.val1 >= GRU_MAX_BLADES || !gru_base[req.val1] || - req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB) { + if (req.val0 < -1 || req.val0 >= GRU_CHIPLETS_PER_HUB || + req.val1 < -1 || req.val1 >= GRU_MAX_BLADES || + (req.val1 >= 0 && !gru_base[req.val1])) { ret = -EINVAL; } else { gts->ts_user_blade_id = req.val1; |