fs/filesystems: Fix potential unsigned integer underflow in fs_name()
[ Upstream commit 1363c134ade81e425873b410566e957fecebb261 ] fs_name() has @index as unsigned int, so there is underflow risk for operation '@index--'. Fix by breaking the for loop when '@index == 0' which is also more proper than '@index <= 0' for unsigned integer comparison. Signed-off-by:Zijun Hu <quic_zijuhu@quicinc.com> Link: https://lore.kernel.org/20250410-fix_fs-v1-1-7c14ccc8ebaa@quicinc.com Signed-off-by:
Christian Brauner <brauner@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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