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commit58d813afbeupstream. This was originally mistakenly submitted to net-next. Resubmitting to net. The comparison of numvecs < 0 is always false because numvecs is a u32 and hence the error return from a failed call to pci_alloc_irq_vectores is never detected. Fix this by using the signed int ret to handle the error return and assign numvecs to err. Detected by CoverityScan, CID#1468650 ("Unsigned compared against 0") Fixes:a09bd81b54("net: aquantia: Limit number of vectors to actually allocated irqs") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Holger Hoffstätte <holger@applied-asynchrony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>