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usb: gadget: f_fs: fix error handling

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This patch add missing error check in ffs_func_bind() function, after
ffs_do_descs() function call for high speed descriptors. Without this
check it's possible that the module will try dereference incorrect
pointer.

[ balbi@ti.com : removed trailing empty line ]

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Robert Baldyga 2013-09-27 12:28:54 +02:00 committed by Felipe Balbi
parent 4fc4b274f9
commit 8854894c04
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/f_fs.c
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@ -2264,6 +2264,8 @@ static int ffs_func_bind(struct usb_configuration *c,
data->raw_descs + ret, data->raw_descs + ret,
(sizeof data->raw_descs) - ret, (sizeof data->raw_descs) - ret,
__ffs_func_bind_do_descs, func); __ffs_func_bind_do_descs, func);
if (unlikely(ret < 0))
goto error;
} }
/* /*