igb: Do not free q_vector unless new one was allocated

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2022-50252 · Microsoft / collected KEV context

cve-program · CVE-2022-50252

• https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803
• https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633
• https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3
• https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075
• https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff
• https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8
• https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a
• https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c
• https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801

No related operational record is retained in the current change model.