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ocf-linux: tweak kernel patch for newer kernels

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Newer kernels had a slight change in the random number API so the OCF
patchset requires a slight tweak to build and run properly.

Affected kernels are, per series:
>=3.0.41, >=3.2.29, >=3.4.9, >=3.5.2 and any newer version.

The fix is applied by detecting the API change rather than guessing the
kernel version.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Gustavo Zacarias 2012-11-27 09:23:08 +00:00 committed by Peter Korsgaard
parent 3bdbe9abb9
commit 670d60dc91
1 changed files with 2 additions and 0 deletions
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2
linux/linux-ext-ocf-linux.mk
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@ -15,6 +15,8 @@ LINUX_DEPENDENCIES += ocf-linux
define OCF_LINUX_PREPARE_KERNEL
support/scripts/apply-patches.sh $(LINUX_DIR) \
$(OCF_LINUX_DIR)/patches/ linux-3.2.1-ocf.patch ; \
grep -q __mix_pool_bytes $(LINUX_DIR)/drivers/char/random.c && \
$(SED) 's:wordcount\*4:&, NULL:' $(LINUX_DIR)/drivers/char/random.c ; \
cp -rf $(OCF_LINUX_DIR)/ocf $(LINUX_DIR)/crypto/ocf ;
endef