Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 027/144] RDMA/mad: Convert BUG_ONs to error flows | Date | Wed, 1 Aug 2018 18:50:54 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Leon Romanovsky <leonro@mellanox.com>
[ Upstream commit 2468b82d69e3a53d024f28d79ba0fdb8bf43dfbf ]
Let's perform checks in-place instead of BUG_ONs.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/infiniband/core/mad.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
--- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1549,7 +1549,8 @@ static int add_oui_reg_req(struct ib_mad mad_reg_req->oui, 3)) { method = &(*vendor_table)->vendor_class[ vclass]->method_table[i]; - BUG_ON(!*method); + if (!*method) + goto error3; goto check_in_use; } } @@ -1559,10 +1560,12 @@ static int add_oui_reg_req(struct ib_mad vclass]->oui[i])) { method = &(*vendor_table)->vendor_class[ vclass]->method_table[i]; - BUG_ON(*method); /* Allocate method table for this OUI */ - if ((ret = allocate_method_table(method))) - goto error3; + if (!*method) { + ret = allocate_method_table(method); + if (ret) + goto error3; + } memcpy((*vendor_table)->vendor_class[vclass]->oui[i], mad_reg_req->oui, 3); goto check_in_use;
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