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| author |   Sean Paul <seanpaul@chromium.org> | 2017-05-18 09:24:30 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-05-18 09:24:30 -0400 |
| commit | 6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch) | |
| tree | ee55c67e4ea30b9eb44f301ba0bde2e631a26162 /drivers/mmc/core/sd_ops.c | |
| parent | drm/sti:fix spelling mistake: "compoment" -> "component" (diff) | |
| parent | Merge tag 'drm-misc-next-2017-05-16' of git://anongit.freedesktop.org/git/drm-misc into drm-next (diff) | |
| download | linux-dev-6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3.tar.xz linux-dev-6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/mmc/core/sd_ops.c')
| -rw-r--r-- | drivers/mmc/core/sd_ops.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c index 9d5824a37586..47056d8d1bac 100644 --- a/drivers/mmc/core/sd_ops.c +++ b/drivers/mmc/core/sd_ops.c @@ -232,14 +232,14 @@ int mmc_send_relative_addr(struct mmc_host *host, unsigned int *rca) return 0; } -int mmc_app_send_scr(struct mmc_card *card, u32 *scr) +int mmc_app_send_scr(struct mmc_card *card) { int err; struct mmc_request mrq = {}; struct mmc_command cmd = {}; struct mmc_data data = {}; struct scatterlist sg; - void *data_buf; + __be32 *scr; /* NOTE: caller guarantees scr is heap-allocated */ @@ -250,8 +250,8 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr) /* dma onto stack is unsafe/nonportable, but callers to this * routine normally provide temporary on-stack buffers ... */ - data_buf = kmalloc(sizeof(card->raw_scr), GFP_KERNEL); - if (data_buf == NULL) + scr = kmalloc(sizeof(card->raw_scr), GFP_KERNEL); + if (!scr) return -ENOMEM; mrq.cmd = &cmd; @@ -267,23 +267,22 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr) data.sg = &sg; data.sg_len = 1; - sg_init_one(&sg, data_buf, 8); + sg_init_one(&sg, scr, 8); mmc_set_data_timeout(&data, card); mmc_wait_for_req(card->host, &mrq); - memcpy(scr, data_buf, sizeof(card->raw_scr)); - kfree(data_buf); + card->raw_scr[0] = be32_to_cpu(scr[0]); + card->raw_scr[1] = be32_to_cpu(scr[1]); + + kfree(scr); if (cmd.error) return cmd.error; if (data.error) return data.error; - scr[0] = be32_to_cpu(scr[0]); - scr[1] = be32_to_cpu(scr[1]); - return 0; } |