iscsi-target: Fix hex2bin warn_unused compile message
Fix the following compile warning with hex2bin() usage: drivers/target/iscsi/iscsi_target_auth.c: In function ‘chap_string_to_hex’: drivers/target/iscsi/iscsi_target_auth.c:35: warning: ignoring return value of ‘hex2bin’, declared with attribute warn_unused_result Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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@ -30,9 +30,11 @@
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static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
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static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
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{
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{
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int j = DIV_ROUND_UP(len, 2);
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int j = DIV_ROUND_UP(len, 2), rc;
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hex2bin(dst, src, j);
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rc = hex2bin(dst, src, j);
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if (rc < 0)
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pr_debug("CHAP string contains non hex digit symbols\n");
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dst[j] = '\0';
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dst[j] = '\0';
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return j;
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return j;
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