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authorHans de Goede <hdegoede@redhat.com>2025-05-07 11:07:28 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-21 14:51:46 +0200
commit97ce0fe2b7240d47d9124daa92217e478c21a3ba (patch)
treea4995bd97038b2dd26f723e0fa8993070f9800e3 /scripts/generate_rust_analyzer.py
parent46a4d12a005c58317e89b5644774c683365dc2ca (diff)
mei: vsc: Cast tx_buf to (__be32 *) when passed to cpu_to_be32_array()
Commit f88c0c72ffb0 ("mei: vsc: Use struct vsc_tp_packet as vsc-tp tx_buf and rx_buf type") changed the type of tx_buf from "void *" to "struct vsc_tp_packet *" and added a cast to (u32 *) when passing it to cpu_to_be32_array() and the same change was made for rx_buf. This triggers the type-check warning in sparse: vsc-tp.c:327:28: sparse: expected restricted __be32 [usertype] *dst vsc-tp.c:327:28: sparse: got unsigned int [usertype] * vsc-tp.c:343:42: sparse: expected restricted __be32 const [usertype] *src vsc-tp.c:343:42: sparse: got unsigned int [usertype] * Fix this by casting to (__be32 *) instead. Note actually changing the type of the buffers to "be32 *" is not an option this buffer does actually contain a "struct vsc_tp_packet" and is used as such most of the time. vsc_tp_rom_xfer() re-uses the buffers as just dumb arrays of 32 bit words to talk to the device before the firmware has booted, to avoid needing to allocate a separate buffer. Fixes: f88c0c72ffb0 ("mei: vsc: Use struct vsc_tp_packet as vsc-tp tx_buf and rx_buf type") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202505071634.kZ0I7Va6-lkp@intel.com/ Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Link: https://lore.kernel.org/r/20250507090728.115910-1-hdegoede@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
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