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-rw-r--r--drivers/char/lp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 7c9269e3477a..bd95aba1f9fe 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -713,6 +713,10 @@ static int lp_set_timeout64(unsigned int minor, void __user *arg)
if (copy_from_user(karg, arg, sizeof(karg)))
return -EFAULT;
+ /* sparc64 suseconds_t is 32-bit only */
+ if (IS_ENABLED(CONFIG_SPARC64) && !in_compat_syscall())
+ karg[1] >>= 32;
+
return lp_set_timeout(minor, karg[0], karg[1]);
}