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authorChristoph Hellwig <hch@lst.de>2020-10-05 10:41:28 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2020-10-07 21:48:27 -0400
commit7007e9dd56767a95de0947b3f7599bcc2f21687f (patch)
tree2a3419a1303859aaadab9c3d22fa762bdc362332 /include/scsi/scsi_cmnd.h
parent5843cc3d5acd8e6654eb2477f3e48c30e3a2e4f7 (diff)
scsi: core: Clean up allocation and freeing of sgtables
Rename scsi_init_io() to scsi_alloc_sgtables(), and ensure callers call scsi_free_sgtables() to cleanup failures close to scsi_init_io() instead of leaking it down the generic I/O submission path. Link: https://lore.kernel.org/r/20201005084130.143273-9-hch@lst.de Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi/scsi_cmnd.h')
-rw-r--r--include/scsi/scsi_cmnd.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index e76bac4d14c5..69ade4fb71aa 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -165,7 +165,8 @@ extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
size_t *offset, size_t *len);
extern void scsi_kunmap_atomic_sg(void *virt);
-extern blk_status_t scsi_init_io(struct scsi_cmnd *cmd);
+blk_status_t scsi_alloc_sgtables(struct scsi_cmnd *cmd);
+void scsi_free_sgtables(struct scsi_cmnd *cmd);
#ifdef CONFIG_SCSI_DMA
extern int scsi_dma_map(struct scsi_cmnd *cmd);