rootfs/etc/init.d/hwinfo: check presence of sdb-read before calling it

If the build or image is broken and sdb-read is missing don't try to overwrite hwinfo Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

rootfs/etc/init.d/hwinfo: check presence of sdb-read before calling it
If the build or image is broken and sdb-read is missing don't try to overwrite hwinfo Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
8ec67be0 · Adam Wujek · 9c54fad8 · 8ec67be0
Commit 8ec67be0 authored Jun 19, 2019 by Adam Wujek 💬
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hwinfo userspace/rootfs_override/etc/init.d/hwinfo +8 -0

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--- a/userspace/rootfs_override/etc/init.d/hwinfo
+++ b/userspace/rootfs_override/etc/init.d/hwinfo
@@ -21,6 +21,14 @@ if ! grep -q hwinfo /proc/mtd; then
    exit 0;
 fi
+if ! [ -f /wr/bin/sdb-read ]; then
+    # If for some reason sdb-read is not available, don't touch hwinfo
+    echo "/wr/bin/sdb-read not available!"
+    # save script result for snmp
+    echo "hwinfo_error" > /tmp/hwinfo_read_status
+    exit 0;
+fi
 # Is there sdb in there? If so, nothing to do.
 if /wr/bin/sdb-read /dev/mtd5ro > /dev/null; then
    # save script result for snmp