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[automerge] libfdt: fdt_path_offset_namelen: Reject empty paths 2p: a6ac6d916d 2p: c69e9730e6 am: 5b78ca8410

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Original change: https://googleplex-android-review.googlesource.com/c/platform/external/dtc/+/20024810

Change-Id: I29a121003addfe5db9fd8d24a7f05eaa0403b06e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Pierre-Clément Tosi 2022-09-23 11:30:21 +00:00 committed by Automerger Merge Worker
commit a67a4aa8d0
1 changed files with 3 additions and 0 deletions
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libfdt/fdt_ro.c
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@ -255,6 +255,9 @@ int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen)
FDT_RO_PROBE(fdt);
if (namelen < 1)
return -FDT_ERR_BADPATH;
/* see if we have an alias */
if (*path != '/') {
const char *q = memchr(path, '/', end - p);