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b07cabb836
The rts51x_read_mem() function should return negative error codes. Currently if the kmalloc() fails it returns USB_STOR_TRANSPORT_ERROR (3) which is treated as success by the callers. Fixes: 065e60964e29 ("ums_realtek: do not use stack memory for DMA") Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20220304073504.GA26464@kili Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>