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sfc: Work around bogus 'uninitialised variable' warning
With some gcc versions & optimisations, the compiler will warn that 'depth' in efx_filter_insert_filter() may be used without being initialised, although this is not the case. This is related to inlining of efx_filter_search(), which only has one caller since commit 8db182f4a8a6e2dcb8b65905ea4af56210e65430 ('sfc: Remove now-unused filter function'). Shut the compiler up by initialising it to 0. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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@ -662,7 +662,7 @@ s32 efx_filter_insert_filter(struct efx_nic *efx, struct efx_filter_spec *spec,
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struct efx_filter_table *table = efx_filter_spec_table(state, spec);
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struct efx_filter_spec *saved_spec;
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efx_oword_t filter;
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unsigned int filter_idx, depth;
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unsigned int filter_idx, depth = 0;
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u32 key;
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int rc;
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