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Use properly aligned buffer in usb_alloc
The PA adress must be gathered from an aligned VA, not the RAW pointer to the memory space. Reviewed by: hselasky Submitted by: Wojciech Macek <wma@semihalf.com> Obtained from: Semihalf Sponsored by: Juniper Networks Inc. Differential Revision: https://reviews.freebsd.org/D4140
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=291399
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@ -233,7 +233,7 @@ usb_pc_alloc_mem(struct usb_page_cache *pc, struct usb_page *pg,
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pc->ismultiseg = (align == 1);
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/* compute physical address */
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usb_pc_common_mem_cb(pc, ptr, size);
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usb_pc_common_mem_cb(pc, pc->buffer, size);
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usb_pc_cpu_flush(pc);
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return (0);
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