vhost/crypto: fix build with gcc 4.7.2
Build error has been reported by Intel build system: SUSE12SP3_64 / Linux 3.7.10-1 / GCC 4.7.2 lib/librte_vhost/vhost_crypto.c: In function ‘rte_vhost_crypto_set_zero_copy’: lib/librte_vhost/vhost_crypto.c:1192:2: error: comparison of unsigned expression < 0 is always false As enums can be either signed or unsigned, this patch removes the negative check and cast to unsigned the upper limit check. Fixes: 939066d96563 ("vhost/crypto: add public function implementation") Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
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@ -1189,8 +1189,8 @@ rte_vhost_crypto_set_zero_copy(int vid, enum rte_vhost_crypto_zero_copy option)
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return -EINVAL;
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}
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if (unlikely(option < 0 || option >=
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RTE_VHOST_CRYPTO_MAX_ZERO_COPY_OPTIONS)) {
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if (unlikely((uint32_t)option >=
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RTE_VHOST_CRYPTO_MAX_ZERO_COPY_OPTIONS)) {
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VC_LOG_ERR("Invalid option %i", option);
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return -EINVAL;
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}
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