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Lines 311-333
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| 311 |
static int |
311 |
static int |
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vtnet_modevent(module_t mod, int type, void *unused) |
312 |
vtnet_modevent(module_t mod, int type, void *unused) |
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{ |
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{ |
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int error; |
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int error = 0; |
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static int loaded = 0; |
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error = 0; |
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switch (type) { |
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switch (type) { |
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case MOD_LOAD: |
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case MOD_LOAD: |
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vtnet_tx_header_zone = uma_zcreate("vtnet_tx_hdr", |
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if (loaded++ == 0) |
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sizeof(struct vtnet_tx_header), |
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vtnet_tx_header_zone = uma_zcreate("vtnet_tx_hdr", |
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NULL, NULL, NULL, NULL, 0, 0); |
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sizeof(struct vtnet_tx_header), |
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NULL, NULL, NULL, NULL, 0, 0); |
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break; |
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break; |
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case MOD_QUIESCE: |
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case MOD_QUIESCE: |
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case MOD_UNLOAD: |
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case MOD_UNLOAD: |
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if (uma_zone_get_cur(vtnet_tx_header_zone) > 0) |
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if (--loaded == 0) { |
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error = EBUSY; |
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if (uma_zone_get_cur(vtnet_tx_header_zone) > 0) |
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else if (type == MOD_UNLOAD) { |
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error = EBUSY; |
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uma_zdestroy(vtnet_tx_header_zone); |
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else if (type == MOD_UNLOAD) { |
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vtnet_tx_header_zone = NULL; |
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uma_zdestroy(vtnet_tx_header_zone); |
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vtnet_tx_header_zone = NULL; |
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} |
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} |
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} |
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break; |
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break; |
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case MOD_SHUTDOWN: |
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case MOD_SHUTDOWN: |