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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-02-08 01:50:08 +0100
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-02-11 17:20:53 +0100
commit7d5d408c77cee95d1380511de46b7a4c8dc2211d (patch)
treebec3464f501145718b2426efde10b02229de4552 /drivers/atm/zatm.c
parentLinux 2.6.25-rc1 (diff)
downloadlinux-7d5d408c77cee95d1380511de46b7a4c8dc2211d.tar.xz
linux-7d5d408c77cee95d1380511de46b7a4c8dc2211d.zip
[SCSI] advansys: fix overrun_buf aligned bug
struct asc_dvc_var needs overrun buffer to be placed on an 8 byte boundary. advansys defines struct asc_dvc_var: struct asc_dvc_var { ... uchar overrun_buf[ASC_OVERRUN_BSIZE] __aligned(8); The problem is that struct asc_dvc_var is placed on shost->hostdata. So if the hostdata is not on an 8 byte boundary, the advansys crashes. The hostdata is placed on a sizeof(unsigned long) boundary so the 8 byte boundary is not garanteed with x86_32. With 2.6.23 and 2.6.24, the hostdata is on an 8 byte boundary by chance, but with the current git, it's not. This patch removes overrun_buf static array and use kzalloc. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/atm/zatm.c')
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