diff options
Diffstat (limited to 'drivers/usb/gadget/function/f_fs.c')
-rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 73515d54e1cc..cc33d2667408 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2051,7 +2051,7 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type, if (len < sizeof(*d) || d->bFirstInterfaceNumber >= ffs->interfaces_count || - d->Reserved1) + !d->Reserved1) return -EINVAL; for (i = 0; i < ARRAY_SIZE(d->Reserved2); ++i) if (d->Reserved2[i]) @@ -2729,6 +2729,7 @@ static int _ffs_func_bind(struct usb_configuration *c, func->ffs->ss_descs_count; int fs_len, hs_len, ss_len, ret, i; + struct ffs_ep *eps_ptr; /* Make it a single chunk, less management later on */ vla_group(d); @@ -2777,12 +2778,9 @@ static int _ffs_func_bind(struct usb_configuration *c, ffs->raw_descs_length); memset(vla_ptr(vlabuf, d, inums), 0xff, d_inums__sz); - for (ret = ffs->eps_count; ret; --ret) { - struct ffs_ep *ptr; - - ptr = vla_ptr(vlabuf, d, eps); - ptr[ret].num = -1; - } + eps_ptr = vla_ptr(vlabuf, d, eps); + for (i = 0; i < ffs->eps_count; i++) + eps_ptr[i].num = -1; /* Save pointers * d_eps == vlabuf, func->eps used to kfree vlabuf later @@ -2851,7 +2849,7 @@ static int _ffs_func_bind(struct usb_configuration *c, goto error; func->function.os_desc_table = vla_ptr(vlabuf, d, os_desc_table); - if (c->cdev->use_os_string) + if (c->cdev->use_os_string) { for (i = 0; i < ffs->interfaces_count; ++i) { struct usb_os_desc *desc; @@ -2862,13 +2860,15 @@ static int _ffs_func_bind(struct usb_configuration *c, vla_ptr(vlabuf, d, ext_compat) + i * 16; INIT_LIST_HEAD(&desc->ext_prop); } - ret = ffs_do_os_descs(ffs->ms_os_descs_count, - vla_ptr(vlabuf, d, raw_descs) + - fs_len + hs_len + ss_len, - d_raw_descs__sz - fs_len - hs_len - ss_len, - __ffs_func_bind_do_os_desc, func); - if (unlikely(ret < 0)) - goto error; + ret = ffs_do_os_descs(ffs->ms_os_descs_count, + vla_ptr(vlabuf, d, raw_descs) + + fs_len + hs_len + ss_len, + d_raw_descs__sz - fs_len - hs_len - + ss_len, + __ffs_func_bind_do_os_desc, func); + if (unlikely(ret < 0)) + goto error; + } func->function.os_desc_n = c->cdev->use_os_string ? ffs->interfaces_count : 0; |