change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/crypto/rockchip/cryptodev_linux/zc.c
..
..
@@ -90,7 +90,7 @@
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 #else
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 	mmap_read_unlock(mm);
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 #endif
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-	if (ret != pgcount)
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+	if (ret < 0 || ret != pgcount)
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 		return -EINVAL;
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 	sg_init_table(sg, pgcount);