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sfc: Work around bogus 'uninitialised variable' warning

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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>
This commit is contained in:
Ben Hutchings 2012-06-01 00:56:22 +01:00
parent c56bf6fe78
commit 62f8dc529c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/sfc/filter.c
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@ -662,7 +662,7 @@ s32 efx_filter_insert_filter(struct efx_nic *efx, struct efx_filter_spec *spec,
struct efx_filter_table *table = efx_filter_spec_table(state, spec);
struct efx_filter_spec *saved_spec;
efx_oword_t filter;
unsigned int filter_idx, depth;
unsigned int filter_idx, depth = 0;
u32 key;
int rc;