The patch titled arch/mips/alchemy: correct code taking the size of a pointer has been added to the -mm tree. Its filename is arch-mips-alchemy-correct-code-taking-the-size-of-a-pointer.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: arch/mips/alchemy: correct code taking the size of a pointer From: Julia Lawall <julia@xxxxxxx> sizeof(dp) is just the size of the pointer. Change it to the size of the referenced structure. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression *x; expression f; type T; @@ *f(...,(T)x,...) // </smpl> Signed-off-by: Julia Lawall <julia@xxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/mips/alchemy/common/dbdma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -puN arch/mips/alchemy/common/dbdma.c~arch-mips-alchemy-correct-code-taking-the-size-of-a-pointer arch/mips/alchemy/common/dbdma.c --- a/arch/mips/alchemy/common/dbdma.c~arch-mips-alchemy-correct-code-taking-the-size-of-a-pointer +++ a/arch/mips/alchemy/common/dbdma.c @@ -612,7 +612,7 @@ u32 au1xxx_dbdma_put_source(u32 chanid, dma_cache_wback_inv((unsigned long)buf, nbytes); dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ au_sync(); - dma_cache_wback_inv((unsigned long)dp, sizeof(dp)); + dma_cache_wback_inv((unsigned long)dp, sizeof(*dp)); ctp->chan_ptr->ddma_dbell = 0; /* Get next descriptor pointer. */ @@ -674,7 +674,7 @@ u32 au1xxx_dbdma_put_dest(u32 chanid, dm dma_cache_inv((unsigned long)buf, nbytes); dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ au_sync(); - dma_cache_wback_inv((unsigned long)dp, sizeof(dp)); + dma_cache_wback_inv((unsigned long)dp, sizeof(*dp)); ctp->chan_ptr->ddma_dbell = 0; /* Get next descriptor pointer. */ _ Patches currently in -mm which might be from julia@xxxxxxx are origin.patch drivers-video-via-viafbdevc-correct-code-taking-the-size-of-a-pointer.patch linux-next.patch drivers-media-video-move-dereference-after-null-test.patch drivers-isdn-eliminate-duplicated-test.patch drivers-scsi-libsas-use-sam_good.patch drivers-scsi-remove-unnecessary-null-test.patch drivers-message-move-dereference-after-null-test.patch drivers-block-dac960c-use-dac960_v2_controller.patch drivers-usb-wusbcore-introduce-missing-usb_free_urb.patch drivers-usb-gadget-use-err_ptr-is_err.patch drivers-edac-introduce-missing-kfree.patch arch-mips-alchemy-correct-code-taking-the-size-of-a-pointer.patch drivers-usb-correct-code-taking-the-size-of-a-pointer.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html