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author | Michal Nazarewicz <mina86@mina86.com> | 2013-01-09 09:17:47 (GMT) |
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committer | Felipe Balbi <balbi@ti.com> | 2013-01-10 10:42:14 (GMT) |
commit | afd2e186bd7e58dc9d298ff5fb5a2fc30578867e (patch) | |
tree | 1218ca710f61fb570b110279211739e406fc67c0 /drivers/usb/gadget/f_fs.c | |
parent | cd76213eb57c505d3df6fa3134a6b3bb5394a90c (diff) | |
download | linux-fsl-qoriq-afd2e186bd7e58dc9d298ff5fb5a2fc30578867e.tar.xz |
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>
Diffstat (limited to 'drivers/usb/gadget/f_fs.c')
-rw-r--r-- | drivers/usb/gadget/f_fs.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 4a6961c..449186c 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1103,8 +1103,8 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts) return 0; for (;;) { - char *end, *eq, *comma; unsigned long value; + char *eq, *comma; /* Option limit */ comma = strchr(opts, ','); @@ -1120,8 +1120,7 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts) *eq = 0; /* Parse value */ - value = simple_strtoul(eq + 1, &end, 0); - if (unlikely(*end != ',' && *end != 0)) { + if (kstrtoul(eq + 1, 0, &value)) { pr_err("%s: invalid value: %s\n", opts, eq + 1); return -EINVAL; } |