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| author | James Smart <james.smart@emulex.com> | 2013-12-17 20:29:47 -0500 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 10:18:55 -0700 |
| commit | cff261f6bd03612e792e4c8872c6ad049f743863 (patch) | |
| tree | ed71f93dfa4758bb71ff4e77f615133b4755bfaa /drivers/scsi/lpfc/lpfc_mem.c | |
| parent | 0976e1a650bdcdf235808e35c96eee70081c079d (diff) | |
| download | blackbird-op-linux-cff261f6bd03612e792e4c8872c6ad049f743863.tar.gz blackbird-op-linux-cff261f6bd03612e792e4c8872c6ad049f743863.zip | |
[SCSI] lpfc 8.3.44: Fix kernel panics from corrupted ndlp list
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_mem.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mem.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 812d0cd7c86d..b1db23c70781 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -38,10 +38,28 @@ #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_crtn.h" +#include "lpfc_logmsg.h" #define LPFC_MBUF_POOL_SIZE 64 /* max elements in MBUF safety pool */ #define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */ +int +lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *phba) { + size_t bytes; + int max_xri = phba->sli4_hba.max_cfg_param.max_xri; + + if (max_xri <= 0) + return -ENOMEM; + bytes = ((BITS_PER_LONG - 1 + max_xri) / BITS_PER_LONG) * + sizeof(unsigned long); + phba->cfg_rrq_xri_bitmap_sz = bytes; + phba->active_rrq_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE, + bytes); + if (!phba->active_rrq_pool) + return -ENOMEM; + else + return 0; +} /** * lpfc_mem_alloc - create and allocate all PCI and memory pools @@ -209,6 +227,10 @@ lpfc_mem_free(struct lpfc_hba *phba) /* Free NLP memory pool */ mempool_destroy(phba->nlp_mem_pool); phba->nlp_mem_pool = NULL; + if (phba->sli_rev == LPFC_SLI_REV4 && phba->active_rrq_pool) { + mempool_destroy(phba->active_rrq_pool); + phba->active_rrq_pool = NULL; + } /* Free mbox memory pool */ mempool_destroy(phba->mbox_mem_pool); |
