Commit 158a0e45 authored by Jesper Juhl's avatar Jesper Juhl Committed by David S. Miller

[SLIP]: Remove redundant NULL pointer checks prior to kfree

Signed-off-by: default avatarJesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 18900829
......@@ -185,15 +185,12 @@ sl_alloc_bufs(struct slip *sl, int mtu)
/* Cleanup */
err_exit:
#ifdef SL_INCLUDE_CSLIP
if (cbuff)
kfree(cbuff);
kfree(cbuff);
if (slcomp)
slhc_free(slcomp);
#endif
if (xbuff)
kfree(xbuff);
if (rbuff)
kfree(rbuff);
kfree(xbuff);
kfree(rbuff);
return err;
}
......@@ -204,13 +201,13 @@ sl_free_bufs(struct slip *sl)
void * tmp;
/* Free all SLIP frame buffers. */
if ((tmp = xchg(&sl->rbuff, NULL)) != NULL)
kfree(tmp);
if ((tmp = xchg(&sl->xbuff, NULL)) != NULL)
kfree(tmp);
tmp = xchg(&sl->rbuff, NULL);
kfree(tmp);
tmp = xchg(&sl->xbuff, NULL);
kfree(tmp);
#ifdef SL_INCLUDE_CSLIP
if ((tmp = xchg(&sl->cbuff, NULL)) != NULL)
kfree(tmp);
tmp = xchg(&sl->cbuff, NULL);
kfree(tmp);
if ((tmp = xchg(&sl->slcomp, NULL)) != NULL)
slhc_free(tmp);
#endif
......@@ -297,13 +294,10 @@ static int sl_realloc_bufs(struct slip *sl, int mtu)
spin_unlock_bh(&sl->lock);
done:
if (xbuff)
kfree(xbuff);
if (rbuff)
kfree(rbuff);
kfree(xbuff);
kfree(rbuff);
#ifdef SL_INCLUDE_CSLIP
if (cbuff)
kfree(cbuff);
kfree(cbuff);
#endif
return err;
}
......
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