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921cc17fec
overlay_update_local_node_references() saves the result of
fdt_subnode_offset() into variable tree_child but checks for variable
ret afterwards. As this does not make sense, check tree_child instead of
ret.
This bug has been found by compiling with clang. The compiler reported
the following warning:
libfdt/fdt_overlay.c:275:7: error: variable 'ret' may be
uninitialized when used here
[-Werror,-Wconditional-uninitialized]
if (ret == -FDT_ERR_NOTFOUND)
^~~
libfdt/fdt_overlay.c:210:9: note: initialize the variable 'ret' to
silence this
warning
int ret;
^
= 0
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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|---|---|---|
| .. | ||
| fdt.c | ||
| fdt.h | ||
| fdt_addresses.c | ||
| fdt_empty_tree.c | ||
| fdt_overlay.c | ||
| fdt_ro.c | ||
| fdt_rw.c | ||
| fdt_strerror.c | ||
| fdt_sw.c | ||
| fdt_wip.c | ||
| libfdt.h | ||
| libfdt_env.h | ||
| libfdt_internal.h | ||
| Makefile.libfdt | ||
| TODO | ||
| version.lds | ||