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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/rockchip/cryptodev_linux/zc.c
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..
@@ -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);