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IB/core: Fix oops in ib_cache_gid_set_default_gid

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When we fail to find the default gid index, we can't continue
processing in this routine or else we will pass a negative
index to later routines resulting in invalid memory access
attempts and a kernel oops.

Fixes: 03db3a2d81 (IB/core: Add RoCE GID table management)
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Doug Ledford 2016-04-22 20:14:58 -04:00
parent 2fe7857176
commit f4e7de63ab
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/core/cache.c
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@ -691,7 +691,8 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
NULL);
/* Coudn't find default GID location */
WARN_ON(ix < 0);
if (WARN_ON(ix < 0))
goto release;
zattr_type.gid_type = gid_type;