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authorEmil Medve <Emilian.Medve@Freescale.com>2015-03-25 05:28:48 (GMT)
committerJoerg Roedel <jroedel@suse.de>2015-08-18 09:30:46 (GMT)
commit57fb907da89977640ef183556a621336c1348fa0 (patch)
treec7d0eb1305ac72cca0f8c3d80d014b9027557e70 /Documentation
parentbc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff)
downloadlinux-57fb907da89977640ef183556a621336c1348fa0.tar.xz
iommu/fsl: Really fix init section(s) content
'0f1fb99 iommu/fsl: Fix section mismatch' was intended to address the modpost warning and the potential crash. Crash which is actually easy to trigger with a 'unbind' followed by a 'bind' sequence. The fix is wrong as fsl_of_pamu_driver.driver gets added by bus_add_driver() to a couple of klist(s) which become invalid/corrupted as soon as the init sections are freed. Depending on when/how the init sections storage is reused various/random errors and crashes will happen 'cd70d46 iommu/fsl: Various cleanups' contains annotations that go further down the wrong path laid by '0f1fb99 iommu/fsl: Fix section mismatch' Now remove all the incorrect annotations from the above mentioned patches (not exactly a revert) and those previously existing in the code, This fixes the modpost warning(s), the unbind/bind sequence crashes and the random errors/crashes Fixes: 0f1fb99b62ce ("iommu/fsl: Fix section mismatch") Fixes: cd70d4659ff3 ("iommu/fsl: Various cleanups") Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com> Acked-by: Varun Sethi <Varun.Sethi@freescale.com> Cc: stable@vger.kernel.org Tested-by: Madalin Bucur <Madalin.Bucur@freescale.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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