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path: root/drivers/misc/sgi-gru/grufault.c
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Diffstat (limited to 'drivers/misc/sgi-gru/grufault.c')
-rw-r--r--drivers/misc/sgi-gru/grufault.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index c4acac7..f74fc0c 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -876,8 +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;
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