Merge branch 'master' into for_paulus

[linux-drm-fsl-dcu.git] / drivers / scsi / scsi_lib.c

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 503f09c2f05fb64b19d254cbb82bcf2632750590..9f7482d0b59489e7efccc347a8b7ce33208b4cdb 100644 (file)
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -388,10 +388,9 @@ int scsi_execute_async(struct scsi_device *sdev, const unsigned char *cmd,
        int err = 0;
        int write = (data_direction == DMA_TO_DEVICE);
 
-       sioc = kmem_cache_alloc(scsi_io_context_cache, gfp);
+       sioc = kmem_cache_zalloc(scsi_io_context_cache, gfp);
        if (!sioc)
                return DRIVER_ERROR << 24;
-       memset(sioc, 0, sizeof(*sioc));
 
        req = blk_get_request(sdev->request_queue, write, gfp);
        if (!req)
@@ -2250,6 +2249,8 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
        size_t sg_len = 0, len_complete = 0;
        struct page *page;
 
+       WARN_ON(!irqs_disabled());
+
        for (i = 0; i < sg_count; i++) {
                len_complete = sg_len; /* Complete sg-entries */
                sg_len += sg[i].length;