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[SCSI] qla4xxx: don't free NULL dma pool

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The error path calls dma_pool_free() on this path but "chap_table" is
NULL and "chap_dma" is uninitialized.  It's cleaner to just return
directly.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Carpenter 2013-01-30 10:07:31 +03:00 committed by James Bottomley
parent 7c237c5f6d
commit 50e9291578
1 changed files with 2 additions and 4 deletions
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6
drivers/scsi/qla4xxx/ql4_mbx.c
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@ -1420,10 +1420,8 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
dma_addr_t chap_dma;
chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
if (chap_table == NULL) {
ret = -ENOMEM;
goto exit_get_chap;
}
if (chap_table == NULL)
return -ENOMEM;
chap_size = sizeof(struct ql4_chap_table);
memset(chap_table, 0, chap_size);