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usb: gadget: storage: Add error handling for no memory 

fsg_common_set_num_buffers() may fail due to ENOMEM. So add
error handling for fail case.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Jaejoong Kim <climbbb.kim@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Jaejoong Kim 2018-07-04 13:51:27 +09:00 committed by Felipe Balbi
parent 211f658b7b
commit 7a051e8de3
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/gadget/function/f_mass_storage.c
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@ -3308,7 +3308,9 @@ static ssize_t fsg_opts_num_buffers_store(struct config_item *item,
if (ret)
goto end;
fsg_common_set_num_buffers(opts->common, num);
ret = fsg_common_set_num_buffers(opts->common, num);
if (ret)
goto end;
ret = len;
end: