| Message ID | 20201014174329.35791-3-kgraul@linux.ibm.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net/smc: fixes 2020-10-14 | expand |
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index f1dbb5025c0b..5de637472a11 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1596,7 +1596,7 @@ static int smcr_buf_map_usable_links(struct smc_link_group *lgr, return rc; } -#define SMCD_DMBE_SIZES 7 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */ +#define SMCD_DMBE_SIZES 6 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */ static struct smc_buf_desc *smcd_new_buf_create(struct smc_link_group *lgr, bool is_dmb, int bufsize)
The SMCD_DMBE_SIZES should include all valid DMBE buffer sizes, so the correct value is 6 which means 1MB. With 7 the registration of an ISM buffer would always fail because of the invalid size requested. Fix that and set the value to 6. Fixes: c6ba7c9ba43d ("net/smc: add base infrastructure for SMC-D and ISM") Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> --- net/smc/smc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)