- 08 Dec, 2011 40 commits
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Sergey Datsevich authored
As reported by checkpatch.pl strict_strtoX is obsolet and should be replaced by kstrtoX. Signed-off-by:
Sergey Datsevich <srgdts@gmail.com> Signed-off-by:
Bjoern Meier <bjoernmeier@hotmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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K. Y. Srinivasan authored
Set the length field of the scatter gather elements correctly when we create the bounce buffer. When we use the bounce buffer for a "write" operation, the act of copying to the bounce buffer, correctly deals with this issue. However, on the "read" side, the current code was not correctly setting the buffer length. Fix this bug. Note that when we copy from the bounce buffer (for the read case), the amount we copy is controlled by the original scatter gather list given to the driver. Signed-off-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
Haiyang Zhang <haiyangz@microsoft.com> Reported-by:
Dadok Milan <dadok@kvados.cz> Signed-off-by:
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Johannes Tenschert authored
Signed-off-by:
Johannes Tenschert <Johannes.Tenschert@informatik.stud.uni-erlangen.de> Reviewed-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Johannes Tenschert authored
Signed-off-by:
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Johannes Tenschert authored
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Johannes Tenschert authored
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Johannes Tenschert authored
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Kevin McKinney authored
In this clean up patch, I altered functions: copy_to/ from_user() to return -EFAULT when an error occurs. I also replaced break statements when an error occurs from copy_to/from_user() with direct returns of -EFAULT. Signed-off-by:
Kevin McKinney <klmckinney1@gmail.com> Signed-off-by:
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Kevin McKinney authored
Staging: bcm: Alter code to move error handling closer to the calls; and remove white space, IOCTL_BCM_NVM_WRITE. This is a clean up patch for IOCTL_BCM_NVM_WRITE that replaces the assignment of the Status variable with direct returns of the error code, replaces the break statements with direct returns, and removes a white space. Signed-off-by:
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Kevin McKinney authored
This patch fixes a memory error in ioctl, IOCTL_BCM_NVM_WRITE. While copying data to user space, if an error occurs, pReadData is freed. Then, at the end of the ioctl, pReadData was being freed again. Signed-off-by:
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Markus Grabner authored
This patch refactors the device information code and adds preliminary support for the POD HD 500 device. Signed-off-by:
Markus Grabner <grabner@icg.tugraz.at> Signed-off-by:
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Markus Grabner authored
This patch removes experimental code which is no longer used. Signed-off-by:
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Andor Daam authored
The obsolete function strict_strtoul should be replaced by the kstrto* functions. In this context kstrtou16 should be use, as midi_mask_receive is only used as unsigned short. All corresponding datatypes were adapted accordingly. Signed-off-by:
Andor Daam <andor.daam@googlemail.com> Signed-off-by:
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Andor Daam authored
The function strict_strtoul is obsolete and should be replaced by the new kstrto* functions. The variable midi_mask_transmit is only used as unsigned short and the datatypes of all affected variables were adjusted accordingly. Signed-off-by:
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Dan Carpenter authored
We should release the udev->sem lock before returning. Signed-off-by:
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Dan Carpenter authored
If we had an invalid trignum (anything other than zero is invalid) then we returned without unlocking. I've modified this function to just have one return point. Signed-off-by:
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Aaro Koskinen authored
Enable forcecrt2type as a module parameter. Signed-off-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by:
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Aaro Koskinen authored
Make "forcecrt2type" to apply also for XG21. The patch enables user to switch LVDS LCD ON/OFF without the need to update the video BIOS. Signed-off-by:
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Aaro Koskinen authored
Delete a redundant option. Signed-off-by:
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Aaro Koskinen authored
Delete XGI21_LCDCapList. This data is display specific and does not belong to the driver. It should be provided by the video BIOS. Signed-off-by:
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Aaro Koskinen authored
Move the LVDS data into a device-specific data, and eliminate the global variable usage. Signed-off-by:
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Aaro Koskinen authored
XG27 has the second display output already hardcoded to disabled. Just in case, ensure that it has the LVDS code paths disabled. This will simplify the future cleanups. Signed-off-by:
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Aaro Koskinen authored
Delete XGIfb_GetXG21LVDSData() and code which duplicates xgifb_read_vbios(). Signed-off-by:
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Aaro Koskinen authored
Rename the function to xgifb_read_vbios(). Signed-off-by:
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Aaro Koskinen authored
Only a single LVDS table entry is needed by the driver. Signed-off-by:
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Aaro Koskinen authored
Check the BIOS size to avoid out of bounds array access. Disable LVDS in case errors are detected. Signed-off-by:
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Aaro Koskinen authored
Use u8 for video BIOS data. Signed-off-by:
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Aaro Koskinen authored
Delete a redundant struct member. Signed-off-by:
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Aaro Koskinen authored
Delete a redundant struct member. Signed-off-by:
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Aaro Koskinen authored
We need the video BIOS only on XG21 and only during the init, so let's do everything at the same place. Signed-off-by:
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Aaro Koskinen authored
Remove video BIOS access from the routine, use the flag instead which is initialized according to the BIOS data. Signed-off-by:
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Aaro Koskinen authored
Use a pointer variable to make some lines shorter and more readable. Signed-off-by:
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Aaro Koskinen authored
Rename pVideoMemory to vbios, and also remove volatile at the same go. Signed-off-by:
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Aaro Koskinen authored
Use ARRAY_SIZE. Signed-off-by:
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Aaro Koskinen authored
Rearrange code to avoid deep nesting. Signed-off-by:
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Aaro Koskinen authored
If the count (j) is 0xff, just do the loop once. Signed-off-by:
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Greg Kroah-Hartman authored
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Lars-Peter Clausen authored
When updating the scan mask we have to check the actual scan mask for if the channel is already enabled, not the matching scan mask from the available scan masks. The bit will already be set there and as a result the actual scan mask will not get updated and the channel stays disabled. Also fix the return value of iio_scan_el_store which would return 1 instead of the number of bytes written if the channel was already active in the scan mask. Acked-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Greg Kroah-Hartman authored
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Lars-Peter Clausen authored
The sw_ring does not properly handle the case where the write pointer already has wrapped around, the read pointer has not and the remaining buffer space at the end is enough to fill the read buffer: +-----------------------------------+ | | |##data##| | +-----------------------------------+ write_p read_p In this case the current code will copy all available data to the buffer and as a result will write beyond the bounds of the buffer and cause a memory corruption. To address this issue this patch adds code to calculate the available buffer space and makes sure that the number of bytes to copy does not exceed this number. This allows the code which copies the data around to be simplified as it only has to consider two cases: Read wraps around and read does not wrap around. Signed-off-by:
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