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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-22 10:58:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-22 10:58:02 +0300 |
| commit | f85142af36415cdd5be59eb4b00a231c8b6dcb49 (patch) | |
| tree | e8cfcd3cab515f9c11775eefc1371cef2b88c81d /drivers/usb/gadget | |
| parent | e00943e916782ae17ca05d654779a84f09481ab8 (diff) | |
| parent | 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b (diff) | |
| download | linux-f85142af36415cdd5be59eb4b00a231c8b6dcb49.tar.xz | |
Merge 5.12-rc4 into usb-next
We need the usb/thunderbolt fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/configfs.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 0d56f33d63c2..15a607ccef8a 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -97,6 +97,8 @@ struct gadget_config_name { struct list_head list; }; +#define USB_MAX_STRING_WITH_NULL_LEN (USB_MAX_STRING_LEN+1) + static int usb_string_copy(const char *s, char **s_copy) { int ret; @@ -106,12 +108,16 @@ static int usb_string_copy(const char *s, char **s_copy) if (ret > USB_MAX_STRING_LEN) return -EOVERFLOW; - str = kstrdup(s, GFP_KERNEL); - if (!str) - return -ENOMEM; + if (copy) { + str = copy; + } else { + str = kmalloc(USB_MAX_STRING_WITH_NULL_LEN, GFP_KERNEL); + if (!str) + return -ENOMEM; + } + strcpy(str, s); if (str[ret - 1] == '\n') str[ret - 1] = '\0'; - kfree(copy); *s_copy = str; return 0; } |