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staging: lustre: lnet: keep ln_nportals consistent 

ln_nportals should be zero when no portals have
been allocated.  This ensures that memory allocation failure
is handled correctly elsewhere.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2018-03-02 10:31:25 +11:00 committed by Greg Kroah-Hartman
parent 3ab19e61b3
commit 2e20a07f3b
1 changed files with 3 additions and 2 deletions
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5
drivers/staging/lustre/lnet/lnet/lib-ptl.c
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@ -841,6 +841,7 @@ lnet_portals_destroy(void)
cfs_array_free(the_lnet.ln_portals);
the_lnet.ln_portals = NULL;
the_lnet.ln_nportals = 0;
}
int
@ -851,12 +852,12 @@ lnet_portals_create(void)
size = offsetof(struct lnet_portal, ptl_mt_maps[LNET_CPT_NUMBER]);
the_lnet.ln_nportals = MAX_PORTALS;
the_lnet.ln_portals = cfs_array_alloc(the_lnet.ln_nportals, size);
the_lnet.ln_portals = cfs_array_alloc(MAX_PORTALS, size);
if (!the_lnet.ln_portals) {
CERROR("Failed to allocate portals table\n");
return -ENOMEM;
}
the_lnet.ln_nportals = MAX_PORTALS;
for (i = 0; i < the_lnet.ln_nportals; i++) {
if (lnet_ptl_setup(the_lnet.ln_portals[i], i)) {