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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2012-11-22 21:22:59 +0400
committerThomas Petazzoni <thomas.petazzoni@free-electrons.com>2012-11-22 21:22:59 +0400
commit73d9cdca1ced6ab32be363b58699039bd82b062a (patch)
tree72abb106516adf991b941b97ea4ed53c3294a8e9 /arch/arm/mach-mvebu
parentf8eb9e7d2a198fe3a0f76d9e5b374160c26e4621 (diff)
downloadlinux-73d9cdca1ced6ab32be363b58699039bd82b062a.tar.xz
dma: mv_xor: fix error handling path
The ->probe() function of the mv_xor function contains in its error handling code a loop to cleanup the XOR channels that had been successfully initialized if some other XOR channel fails to be initialized. It does that by traveling the list of XOR channels, and cleanup those for which the pointer is not NULL. However, since the mv_xor_channel_add() function return a PTR_ERR style value, the pointer is not NULL on error. So, when handling the error of a given channel initialization, we cleanup this channel initialization and mark this channel entry as NULL in the array. This allows the remaining of the cleanup (for other channels) to work properly. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'arch/arm/mach-mvebu')
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