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[PATCH] IB/mthca: Fix FMR breakage caused by kmemdup() conversion

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Commit bed8bdfd ("IB: kmemdup() cleanup") introduced one bad conversion to
kmemdup() in mthca_alloc_fmr(), where the structure allocated and the
structure copied are not the same size.  Revert this back to the original
kmalloc()/memcpy() code.

Reported-by: Dotan Barak <[email protected]>.
Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Michael S. Tsirkin 2006-12-29 16:47:37 -08:00 • committed by Linus Torvalds
commit 9d79f1b467
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/mthca/mthca_provider.c
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@ -1100,10 +1100,11 @@ static struct ib_fmr *mthca_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
struct mthca_fmr *fmr;
int err;
fmr = kmemdup(fmr_attr, sizeof *fmr, GFP_KERNEL);
fmr = kmalloc(sizeof *fmr, GFP_KERNEL);
if (!fmr)
return ERR_PTR(-ENOMEM);
memcpy(&fmr->attr, fmr_attr, sizeof *fmr_attr);
err = mthca_fmr_alloc(to_mdev(pd->device), to_mpd(pd)->pd_num,
convert_access(mr_access_flags), fmr);