The patch titled
mmc: at91_mci: fix pointer errors
has been removed from the -mm tree. Its filename was
mmc-at91_mci-fix-pointer-errors.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mmc: at91_mci: fix pointer errors
From: Wolfgang Muees <[email protected]>
Fixes two pointer errors, one which leads to memory overwrites if used
with large chunks of data.
Signed-off-by: Wolfgang Muees <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Cc: Andrew Victor <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
drivers/mmc/host/at91_mci.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff -puN drivers/mmc/host/at91_mci.c~mmc-at91_mci-fix-pointer-errors
drivers/mmc/host/at91_mci.c
--- a/drivers/mmc/host/at91_mci.c~mmc-at91_mci-fix-pointer-errors
+++ a/drivers/mmc/host/at91_mci.c
@@ -227,11 +227,13 @@ static inline void at91_mci_sg_to_dma(st
for (index = 0; index < (amount / 4); index++)
*dmabuf++ = swab32(sgbuffer[index]);
} else {
- memcpy(dmabuf, sgbuffer, amount);
- dmabuf += amount;
+ char *tmpv = (char *)dmabuf;
+ memcpy(tmpv, sgbuffer, amount);
+ tmpv += amount;
+ dmabuf = (unsigned *)tmpv;
}
- kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
+ kunmap_atomic(((void *)sgbuffer) - sg->offset, KM_BIO_SRC_IRQ);
if (size == 0)
break;
_
Patches currently in -mm which might be from [email protected] are
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