diff options
Diffstat (limited to 'package/kernel/mac80211/patches/309-02-brcmfmac-fix-sdio-sg-table-alloc-crash.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/309-02-brcmfmac-fix-sdio-sg-table-alloc-crash.patch | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/package/kernel/mac80211/patches/309-02-brcmfmac-fix-sdio-sg-table-alloc-crash.patch b/package/kernel/mac80211/patches/309-02-brcmfmac-fix-sdio-sg-table-alloc-crash.patch deleted file mode 100644 index 711e019e2b..0000000000 --- a/package/kernel/mac80211/patches/309-02-brcmfmac-fix-sdio-sg-table-alloc-crash.patch +++ /dev/null @@ -1,118 +0,0 @@ -From: Hante Meuleman <meuleman@broadcom.com> -Date: Tue, 19 Jan 2016 12:39:24 +0100 -Subject: [PATCH] brcmfmac: fix sdio sg table alloc crash - -With commit 7d34b0560567 ("brcmfmac: Move all module parameters to -one place") a bug was introduced causing a null pointer exception. -This patch fixes the bug by initializing the sg table till after -the settings have been initialized. - -Fixes: 7d34b0560567 ("brcmfmac: Move all module parameters to one place") -Reported-by: Marc Zyngier <marc.zyngier@arm.com> -Tested-by: Marc Zyngier <marc.zyngier@arm.com> -Reviewed-by: Arend Van Spriel <arend@broadcom.com> -Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> -Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> -Signed-off-by: Hante Meuleman <meuleman@broadcom.com> -Signed-off-by: Arend van Spriel <arend@broadcom.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c -@@ -879,11 +879,24 @@ int brcmf_sdiod_abort(struct brcmf_sdio_ - return 0; - } - --static void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) -+void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) - { -+ struct sdio_func *func; -+ struct mmc_host *host; -+ uint max_blocks; - uint nents; - int err; - -+ func = sdiodev->func[2]; -+ host = func->card->host; -+ sdiodev->sg_support = host->max_segs > 1; -+ max_blocks = min_t(uint, host->max_blk_count, 511u); -+ sdiodev->max_request_size = min_t(uint, host->max_req_size, -+ max_blocks * func->cur_blksize); -+ sdiodev->max_segment_count = min_t(uint, host->max_segs, -+ SG_MAX_SINGLE_ALLOC); -+ sdiodev->max_segment_size = host->max_seg_size; -+ - if (!sdiodev->sg_support) - return; - -@@ -1021,9 +1034,6 @@ static void brcmf_sdiod_host_fixup(struc - - static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) - { -- struct sdio_func *func; -- struct mmc_host *host; -- uint max_blocks; - int ret = 0; - - sdiodev->num_funcs = 2; -@@ -1054,26 +1064,6 @@ static int brcmf_sdiod_probe(struct brcm - goto out; - } - -- /* -- * determine host related variables after brcmf_sdiod_probe() -- * as func->cur_blksize is properly set and F2 init has been -- * completed successfully. -- */ -- func = sdiodev->func[2]; -- host = func->card->host; -- sdiodev->sg_support = host->max_segs > 1; -- max_blocks = min_t(uint, host->max_blk_count, 511u); -- sdiodev->max_request_size = min_t(uint, host->max_req_size, -- max_blocks * func->cur_blksize); -- sdiodev->max_segment_count = min_t(uint, host->max_segs, -- SG_MAX_SINGLE_ALLOC); -- sdiodev->max_segment_size = host->max_seg_size; -- -- /* allocate scatter-gather table. sg support -- * will be disabled upon allocation failure. -- */ -- brcmf_sdiod_sgtable_alloc(sdiodev); -- - ret = brcmf_sdiod_freezer_attach(sdiodev); - if (ret) - goto out; -@@ -1084,7 +1074,7 @@ static int brcmf_sdiod_probe(struct brcm - ret = -ENODEV; - goto out; - } -- brcmf_sdiod_host_fixup(host); -+ brcmf_sdiod_host_fixup(sdiodev->func[2]->card->host); - out: - if (ret) - brcmf_sdiod_remove(sdiodev); ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c -@@ -4114,6 +4114,11 @@ struct brcmf_sdio *brcmf_sdio_probe(stru - goto fail; - } - -+ /* allocate scatter-gather table. sg support -+ * will be disabled upon allocation failure. -+ */ -+ brcmf_sdiod_sgtable_alloc(bus->sdiodev); -+ - /* Query the F2 block size, set roundup accordingly */ - bus->blocksize = bus->sdiodev->func[2]->cur_blksize; - bus->roundup = min(max_roundup, bus->blocksize); ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h -@@ -342,6 +342,7 @@ int brcmf_sdiod_ramrw(struct brcmf_sdio_ - - /* Issue an abort to the specified function */ - int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); -+void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev); - void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, - enum brcmf_sdiod_state state); - #ifdef CONFIG_PM_SLEEP |