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[V2,1/2] usb: gadget: storage: Add error handling for no memory

Message ID 1530679888-19939-2-git-send-email-climbbb.kim@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jaejoong Kim July 4, 2018, 4:51 a.m. UTC 
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>
---
Changes in V2:
  Add Acked-by

 drivers/usb/gadget/function/f_mass_storage.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index acecd13..1b580eb 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: