From 16b7a29fc6fac16431051de06d62da689360c40a Mon Sep 17 00:00:00 2001 From: Lukasz Majewski Date: Wed, 5 Feb 2014 10:10:41 +0100 Subject: [PATCH] usb:gadget:ums: Replace malloc calls with memalign to fix cache buffer alignment Calls to malloc() have been replaced by memalign. It now provides proper buffer alignment. Signed-off-by: Lukasz Majewski Cc: Marek Vasut --- drivers/usb/gadget/f_mass_storage.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index b1fe8bd..f896169 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -2515,7 +2515,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common, buffhds_first_it: bh->inreq_busy = 0; bh->outreq_busy = 0; - bh->buf = kmalloc(FSG_BUFLEN, GFP_KERNEL); + bh->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, FSG_BUFLEN); if (unlikely(!bh->buf)) { rc = -ENOMEM; goto error_release; @@ -2622,7 +2622,7 @@ usb_copy_descriptors(struct usb_descriptor_header **src) bytes += (*tmp)->bLength; bytes += (n_desc + 1) * sizeof(*tmp); - mem = kmalloc(bytes, GFP_KERNEL); + mem = memalign(CONFIG_SYS_CACHELINE_SIZE, bytes); if (!mem) return NULL; -- 2.7.4