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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/lib/kstrtox.c
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@@ -122,8 +122,7 @@
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  * @res: Where to write the result of the conversion on success.
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  *
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  * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
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- * Used as a replacement for the obsolete simple_strtoull. Return code must
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- * be checked.
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+ * Preferred over simple_strtoull(). Return code must be checked.
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  */
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 int kstrtoull(const char *s, unsigned int base, unsigned long long *res)
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 {
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@@ -146,8 +145,7 @@
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  * @res: Where to write the result of the conversion on success.
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  *
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  * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
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- * Used as a replacement for the obsolete simple_strtoull. Return code must
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- * be checked.
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+ * Preferred over simple_strtoll(). Return code must be checked.
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  */
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 int kstrtoll(const char *s, unsigned int base, long long *res)
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 {
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@@ -182,7 +180,7 @@
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 	rv = kstrtoull(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (unsigned long long)(unsigned long)tmp)
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+	if (tmp != (unsigned long)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -198,7 +196,7 @@
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 	rv = kstrtoll(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (long long)(long)tmp)
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+	if (tmp != (long)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -218,8 +216,7 @@
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  * @res: Where to write the result of the conversion on success.
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  *
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  * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
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- * Used as a replacement for the obsolete simple_strtoull. Return code must
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- * be checked.
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+ * Preferred over simple_strtoul(). Return code must be checked.
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  */
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 int kstrtouint(const char *s, unsigned int base, unsigned int *res)
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 {
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@@ -229,7 +226,7 @@
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 	rv = kstrtoull(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (unsigned long long)(unsigned int)tmp)
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+	if (tmp != (unsigned int)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -249,8 +246,7 @@
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  * @res: Where to write the result of the conversion on success.
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  *
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  * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
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- * Used as a replacement for the obsolete simple_strtoull. Return code must
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- * be checked.
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+ * Preferred over simple_strtol(). Return code must be checked.
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  */
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 int kstrtoint(const char *s, unsigned int base, int *res)
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 {
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@@ -260,7 +256,7 @@
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 	rv = kstrtoll(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (long long)(int)tmp)
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+	if (tmp != (int)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -275,7 +271,7 @@
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 	rv = kstrtoull(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (unsigned long long)(u16)tmp)
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+	if (tmp != (u16)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -290,7 +286,7 @@
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 	rv = kstrtoll(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (long long)(s16)tmp)
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+	if (tmp != (s16)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -305,7 +301,7 @@
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 	rv = kstrtoull(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (unsigned long long)(u8)tmp)
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+	if (tmp != (u8)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;
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@@ -320,7 +316,7 @@
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 	rv = kstrtoll(s, base, &tmp);
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 	if (rv < 0)
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 		return rv;
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-	if (tmp != (long long)(s8)tmp)
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+	if (tmp != (s8)tmp)
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 		return -ERANGE;
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 	*res = tmp;
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 	return 0;