From 7a051e8de3010c2f5f52e0bf305ef96c1f1f19d5 Mon Sep 17 00:00:00 2001 From: Jaejoong Kim <climbbb.kim@gmail.com> Date: Wed, 4 Jul 2018 13:51:27 +0900 Subject: [PATCH] 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> --- drivers/usb/gadget/function/f_mass_storage.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index acecd13dcbd9..1b580eb3f78f 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -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: