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usb: gadget: FunctionFS: Use kstrtoul()
kstrtoul() checks for overflow which simple_strtoul() does not pluss it has “*end == 0” check in it as well. As a side effect, a new line character is now accepted, but this should not be an issue. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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1 changed files with 2 additions and 3 deletions
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@ -1103,8 +1103,8 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)
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return 0;
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for (;;) {
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char *end, *eq, *comma;
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unsigned long value;
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char *eq, *comma;
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/* Option limit */
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comma = strchr(opts, ',');
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@ -1120,8 +1120,7 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)
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*eq = 0;
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/* Parse value */
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value = simple_strtoul(eq + 1, &end, 0);
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if (unlikely(*end != ',' && *end != 0)) {
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if (kstrtoul(eq + 1, 0, &value)) {
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pr_err("%s: invalid value: %s\n", opts, eq + 1);
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return -EINVAL;
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}
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