[BNX2]: Fix bug in bnx2_nvram_write().

Length was not calculated correctly if the NVRAM offset is on a non-
aligned offset.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index f296c37f29b6..4fa7cefaa296 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -3096,7 +3096,7 @@ bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
 
         if ((align_start = (offset32 & 3))) {
                 offset32 &= ~3;
-                len32 += align_start;
+                len32 += (4 - align_start);
                 if ((rc = bnx2_nvram_read(bp, offset32, start, 4)))
                         return rc;
         }
@@ -3114,7 +3114,7 @@ bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf,
 
         if (align_start || align_end) {
                 buf = kmalloc(len32, GFP_KERNEL);
-                if (buf == 0)
+                if (buf == NULL)
                         return -ENOMEM;
                 if (align_start) {
                         memcpy(buf, start, 4);