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a87fa1d81a
The string property read helpers will run off the end of the buffer if it is handed a malformed string property. Rework the parsers to make sure that doesn't happen. At the same time add new test cases to make sure the functions behave themselves. The original implementations of of_property_read_string_index() and of_property_count_strings() both open-coded the same block of parsing code, each with it's own subtly different bugs. The fix here merges functions into a single helper and makes the original functions static inline wrappers around the helper. One non-bugfix aspect of this patch is the addition of a new wrapper, of_property_read_string_array(). The new wrapper is needed by the device_properties feature that Rafael is working on and planning to merge for v3.19. The implementation is identical both with and without the new static inline wrapper, so it just got left in to reduce the churn on the header file. Signed-off-by: Grant Likely <grant.likely@linaro.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Darren Hart <darren.hart@intel.com> Cc: <stable@vger.kernel.org> # v3.3+: Drop selftest hunks that don't apply |
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| .. | ||
| testcase-data | ||
| address.c | ||
| base.c | ||
| device.c | ||
| dynamic.c | ||
| fdt_address.c | ||
| fdt.c | ||
| irq.c | ||
| Kconfig | ||
| Makefile | ||
| of_mdio.c | ||
| of_mtd.c | ||
| of_net.c | ||
| of_pci_irq.c | ||
| of_pci.c | ||
| of_private.h | ||
| of_reserved_mem.c | ||
| pdt.c | ||
| platform.c | ||
| resolver.c | ||
| selftest.c | ||