drivers: net: ldpaa_eth: Correct error handler for qbman_swp_acquire()
The zero value returned from qbman_swp_acquire() is an error
condition meaning no free buffer for allocation.
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Kushwaha Prabhakar <prabhakar@freescale.com>
[YS: revised commit message]
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c
index f235b62..21be79a 100644
--- a/drivers/net/ldpaa_eth/ldpaa_eth.c
+++ b/drivers/net/ldpaa_eth/ldpaa_eth.c
@@ -334,7 +334,7 @@
&buffer_start, 1);
} while (err == -EBUSY);
- if (err < 0) {
+ if (err <= 0) {
printf("qbman_swp_acquire() failed\n");
return -ENOMEM;
}