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If property csr-copy does not exist, fdt_getprop() will return NULL and cnt will have a random value from the stack. Call clone_csrs() only if cnt is initialized to a non-zero value. Fixes: 49e422c5ad7a ("lib: utils: reset: Add T-HEAD sample platform reset driver") Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Anup Patel <anup.patel@wdc.com>