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openSUSE:Leap:15.2:Rings:1-MinimalX
qemu
hw-usb-dev-mtp-Fix-GCC-9-build-warning.patch
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File hw-usb-dev-mtp-Fix-GCC-9-build-warning.patch of Package qemu
From: Alistair Francis <Alistair.Francis@wdc.com> Date: Sat, 4 May 2019 07:58:55 -0600 Subject: hw/usb/dev-mtp: Fix GCC 9 build warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix this warning with GCC 9 on Fedora 30: hw/usb/dev-mtp.c:1715:36: error: taking address of packed member of struct <anonymous> may result in an unaligned pointer value [-Werror=address-of-packed-member] 1715 | dataset->filename); | ~~~~~~~^~~~~~~~~~ Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/usb/dev-mtp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c index 7c07295519d33d13fd3755ea7e0a..13815df4737ef8f46e6f857153b1 100644 --- a/hw/usb/dev-mtp.c +++ b/hw/usb/dev-mtp.c @@ -1722,9 +1722,22 @@ static void usb_mtp_write_metadata(MTPState *s, uint64_t dlen) assert(!s->write_pending); assert(p != NULL); +/* + * We are about to access a packed struct. We are confident that the pointer + * address won't be unaligned, so we ignore GCC warnings. + */ +#if defined(CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE) && QEMU_GNUC_PREREQ(9, 0) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Waddress-of-packed-member" +#endif + filename = utf16_to_str(MIN(dataset->length, filename_chars), dataset->filename); +#if defined(CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE) && QEMU_GNUC_PREREQ(9, 0) +#pragma GCC diagnostic pop +#endif + if (strchr(filename, '/')) { usb_mtp_queue_result(s, RES_PARAMETER_NOT_SUPPORTED, d->trans, 0, 0, 0, 0);
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